TUBOS DE AC0 CARBON0 COM COSTURA DE SEChO CIRCULAR, OUADRADA. RETANGULAR E ESPECIAIS PARA

FINS INDUSTRIAIS

Eppecif ica@o

01.014

NBR 6591

ABW1981

SUMARIO

1 Objetivo 2 Normas e documentor complementares 3 Condi@s gerais 4 Condiq&x especificar

5 I nwo 6 Aceita@o e reieiqio ANEXO - Tabelas

Origem: ABNT EB-952/80 CB-I = Camitd Brasileiro de Minera+% B Mnalurgia CE-1:22.09 - Comirdo de Estudo de Produtos Tubularer de Aqo

SISTEMA NACIONAL DE

METROLOGIA. NORMALIZACAO

E QUALIDADE INDUSTRIAL

ABNT - ASSOClAChO BRASILEIRA

DE NORMAS TECNICAS

CG

Pa,a”,as~cha”e: tuba “P carbolw NBR 3 NORMA BRASILEIRA REGISTRADA

CD”: 669~46:669.141.3 Todos os dir&or rasrvmfor 27 Psginar

2 NBR 6591/1981

3 CONOlCdES GERAIS

3.1.1 OS tubas desta Norma S&I designados pela forma e dimens&s de sua se&.

3.1.2 0s aqos utilizados na fabrica@ dos tubas s%o classificados pela 5ua corn_

posi$o quimica, conformc Tabela 1 do Anexo, tratamento L&rmica e propriedades -

meca^nicas.

3.1.2.1 OS tubas sao classificados em duas categorias:

a) tubas formados a frio, a partir de tiras laminadas a quente(FFBQ);

b) tubas formados a frio, a partir de tiras laminadas a frio (FFBF).

3 . 2 Frrbr%xz;-cr<:

3.2.1 OS tubas tom costura devem ser fabricados a partir de chapas laminadas de

aso e soldados por processo automatico de solda continua sem adiqao de material.

3.2.2 Tubas corn dimensoes e formas diferentes das indicadss nesta Norma podem

ser fabricados por acordo entre o comprador Ed fabricante.

3.3 :.;a tepia z

3.3.1 0 a$~ carbono empregado na fabrica$o destcs tubas deve ser obtido por um

dos seguintes processes:

a) Siemens-Martin;

b) bssico ao oxig&io;

c) forno eletrico.

3.3.2 OS a$os utilirados na fabricaqao dos tubas estao definidos na Tabela 1 do

Anexo, conforme pad&s da NBR 6006.

Na ordem de compra, Segundo esta Norma indicar:

a) ncmero desta Norma;

b) a quantidade pedida (metros, kmero de tubas ou qui logramas) ;

c$ grau do a$~;

d) forma de se@;

e) dimensoes da se$ao em mm;

f) espessura da parede em mm;

g) comprimento (fixo ou de fabricay$o em meLros);

h) acabamento da extremidade;

i) use a que Go destinados 05 tubas, a titulo informative;

j) estado Deb fornecimento dos tubas;

1) prote+o anti-corrosiva;

m) requisites adicionais ou exce@es a esta Norma.

NBR 6591/1991 3

A se$o transversal dos tubas deve ser uniforme can o formato esrabelecido na

ordem de compra.

3. 5.2 R~ti!~i,:&fa&?

OS tubas devem 5er retos confornie indicado em 3.7.9.

3 .5 .3 ~~tm?:rii&&it.-

0 acabamento das extremidades deve set' conforme estabelecido na ordem de compra.

3 * 5.4 hpmhl

OS tubas de segao quadrada e retangular devem ter scus lados adjacentes forman-

do urn angulo reto conforme indicado em 3.7.6.

3 _ 6 &f&tus -~~~~jel~~~~~~l'ais

As dime~nsoes dos tubas desta Norma dcvem estar de acordo corn o determinado na

ordem de compra. As tolerancias devem estar de acordo corn as Tabelas 2, 3, 4 e

5, 'do Anexo.

3.7.1 ccqq ':!m % 0

05 tubas sao fornecidos nos seguintes comprimentos:

a) comprimento normal de fabrica$o de (6,00 + 0,lO) m; -

b) conprimentos m;ltiplos corn 05 respectivos acr&cimos para cortex prc -

vistas na ordem de compra e afastamentos, conforme Tabe~la 4. do Anexo;

c) comprimentos fixes espccificados na ordem de compra corn OS afastamen -

tos estabelecidos na Tabela 4, do Anexo.

3.7.2.1 As espessuras devcm ser a5 indicadas nas Tabelas 6, 7 Ed 8, do Anexo.

3.7.2.2 OS afastamcntos nas espessuras de parede devem ser 05 constantes da Ta-

bela 2, do Anexo.

3 . 7 _ 3 ~inerzs&s ~z?;erv~ms

Estas dimensks devem estar de acordo corn a ordem de compra e seu~ afastamentos

devem atender a Tabela 3, do Anexo.

3 -7. 4 A Ifxrw i,:tcr,z~ & cu17&g & so I&

3.7.4.1 Altura normal: tubos cuja altura interna do cord% de solda seja a me-

nor- entre a espessura da parede e 2,4 mm.

4 NBR 6591/1981

3.7.4.2~ Altura limitada: tubas cuja altura interna do cordao de solda seja no

maxim0 0,25 mm au 0,13 mm, conforme especificado na ordem de compra. Esta condi-

$0 6 apl icave a tubas corn dimensao externa superior a 28 mm.

3 . 7 . 5 b&‘Lsu

3.7.5.1 OS tubas devem ter a massa teorica indicada nas Tabelas 6, 7 e 8, do

Anexo. No case de tubas de se& especial a massa teorica 6 calculada pela formu

la:

M = 7.85 x 1O-3 x St

Onde: M = massa em kg/m

St = 5rea de se$o em mm2

3.7.5.2 Nas diferengas entre as massas par metro real e teorica calculada, sao

admitidos os afastamentos + lo%,. -

3 . 7 . 6 ES~~LCZ&Y~ d3.9 ii~cIcis

Para 05 tubas de sc$ao quadrada e retangular 05 lados adjacentes podem desviar-

-se de mais ou mcnos dois graus do angulo reto.

3 _ 7. 7 .?&2 tlt‘tel’,x &x4 ci,?;t<x

Para 05 tubas de secao quadrada e retangular o raio externo de qualqucr dos can-

toe Go deve exceder de tres vezes a espessura da parede.

3 . 7 . a _ ~<;*yQ 0

Entende-se por tor$ao o valor do deslocamento da aresta longitudinal do tuba em

rela~ao ao piano horizontal medido a 1 m de distancia de sua extremidade fixa.Pa -

ra os tubas de scgao quadrada e retangular, a variaq~ao do alinhame~nto axial da

sc$o do tubo tern coma valores &ximos admissiveis 05 estabelecidos na Tabela 5,

do Anexo.

3~. 7 . y &? tl’li,~si~~~~~i~~

0 miximo desvio da retilineidade dew. ser 2,s mm por metro de comprimento pa ra

tubas can dimensao externa maior que 15 mm.

3.7.9.1 OS tubas corn dimcnsao externa entre 9 mm e 15 mm nao tern garantia de

perfeita retilineidade, sendo verificado visualmente.

3 .8 &zl,rr~<:<q:& e e&zlapm

As embalagens, amarrados, cngradados e caixas devem canter em forma legivel as

seguintes caracteristicas:

a) numero desta Norma;

b) nome e marca do fabricante;

c) dimensoes externas do tubo, espessura da parcde e comprimento em mm;

d) massa dos tubos por embalagens em kg.

NBR 659111981 5

6 NBR 6591/1981

neira: por op@~ do comprador, OS cavacos pan anilise podem ser retirados do tu -

bo acabado de cira ou do corps de prova util izado para o ensaio de trasso. A w.-

traq.Zo de cavacos 6 feita no semi-tuba, oposto a solda, de maneira que represen-

te toda a espessura da parede.

OS corpos de prow deem ter 100 MI de comprimento.

OS rorpos de prove devem ter 100 mm de comprimento.

b) a dire$ao da forga apl icada ao corpo de prova 6 normal ao piano dia-

metral que passa na linha de solda;

c) este ensaio SC realiza cm duas etapas. Na primeira etapa, CJ corpo de

prova I? achatado ate que a dista^ncia entre placas se~ja de 213 do dia - mentro externo, 60 devendo ocorrer trincas ou fraturas na solda. Na

segunda etapa achata-se o corpo de prova, at; que a disteincia entre

placas seja de l/3 do digmetro externo do tuba. Nesta etapa “so de-

van surgir trincas ou fraturas no mate~rial fora da regiao da solda.

,v~~cz: A distancia final cntre placas nao devc ser inferior a cinco ve~zes a es- pcssura da parede do tuba. Durante o ensaio nao deve~m ocorrer evid&cias - de esfol heanento, material queimado ou vestigios de escoria.

5.4.2.2 0 ensaio de alargamcnto se realira de acordo corn a NBR 6206 par meio

de urn cowz de expansao cuja geratriz seja de 30° ate que o diametro interno do

tubo expanda de 15F&, ~~ xm apresentar trincas ou fraturas.

NBR 6591/1961 7

6 ACEITACAO E REJEIC~O

6.1 Somente & accito o late que atender "OS ensaios todos OS requisites desta

Norma.

6.2 NO cam de reensaio, somente se aceita o late se todos 05 ensaios atenderem

aos rcquisitos desta Norma. Se algum reensaio n% cumprir COK o especificado, o

late dcve ser rcjeitado.

6.3 0 fabricante pode, a xu arbitrio, ensaiar cada tuba do late, aceitando to-

dos OS tubas que cumprirem corn 05 requisites estabelecidos.

NBR 6591/1991

NBR 6591/1981 9

ANEXO - TABELAS

TABELA 1 - Composi$Zo qUimiCa

Tipa de

aP (NBR 6006)

1006 1008 1010

1015 1016

1020 1021 1025 1026

T-

I A&lie da corrida em perccntagem (lz;)

c

0,08 m:x 0,lO max 0,08/0,13

0.13/0,18 0,13/0,18

0,18/0,23 o,18/0,23 0,22/0,28 0,22/0,28

0,25/0,45 0,25/0,5o o,30/0,6o

o,30/0,6o 0,6o/o,go

o,3o/o,6o o,6o/o,Yo o,3o/o,6o 0,60/0,90

0,04 max 0,04 max 0,04 m.&

0,04 m.Sx 0,04 m5x

0,04 m-5x 0,04 Gx 0,04 In& 0,04 m.Sx

TA9ELA 2 - Afastamcnton na espessura da parede

S

0,05 mix 0,05 max 0,05 max

0,05 meix 0,05 mix

0,05 miix 0,05 man 0,05 nGx 0,05 max

Categoria Afastamentos

FFBF + 7,5% da espessura nominal especificada

FFBQ + lO:L da espessura nominal especificada

TABELA 3 - Afastamento na dimerGo externa de tuba FFBQ e FFBF

Dismetro externo

(nun)

Por exces50 (+) -r Pot- falta (-)

FFBQ FFBF FFBQ FFBF

0,lO

0,20 o,15

0,25 0,20

0,30 0,25

0,35 0.30

0,40 0,35

o,45 0,40

v~,+;~~~.- a) as mediqGes das dimens& externas devem ser feitas a pelo n,en~s 100 mn, A, ,-. .~~. Y . das extremidades do tuba;

s 15

i 15es 40

> 40 c ,c 63

> 63 e < 90

> yoe<100

> 100 e < 127

> 127 e s 168,3

0,20

o,25

o,3o

o,35

0,40

o,45

0,lO

0.15

0,20

0,7.5

O,3O

0,35

0,40 1 b) excluindo o tuba dc seqao circular, OS afastamentos r~as dimens& exter

nas inclucm a margem para o abaulamento, convexidadc ou concavidade. -

10 NBR 6591/1981

TABELA 4 - Afastamentos dor comprimentos fixos e mi.dtiplos

+ 20 mm + 25mn - 0 0

TABELA 5 - Tor.+~ mhima para tubas de se@h quadrada, retangular e especiais conforme Figura

Dimenshes (mm) do lado maior Tor~$o maxima em mm/m (V)

4 38,O I,30

> 38,0 e ,< 63,5 l,50

> 63,5 e < lOl,6 1 ,YO

> 101,6 e < l52,'+ 2,20

> 152,'~ e < l68,3 2,50 __ --- -- -_-. : i I I I 1 l.EJ$, I I ! I

_---- I 4,; --. . . --- - - -3,

FIGIJRA - Medida da to+%

NBR 6591/1981 11

9.52 l

9;52

l 9.52

l 12.70 * 12.70 l 12.70 I 12.70 l 15.87 = 15.87 * 15.87 * 1587 * 15.87 f 19.05 f 19.05 * 19.05 * 19.05 l 19,05

* 19,05

l 20.70 * 20.70 * 20.70 * 20;70 l 20.70 l 20.70 * 20.70

21.30 21.30 21.30

l 21.30 * 21.30 * 21.30 * 21.30 l 22.22 l 22.22 = 22.22 l 22.22 * 22.22 l 22;22

22.22 l 25.40 l 25.40 * 25.40 * 25.40 * 25.40 l 25.40 l 25.40

TABELA 6 - Dimen&r para tubor de se& circular

ESpeSSUWJ

(El

(mm)

Area

(cm21

- I Momenta de Moment0

in&a resistente (cm4) (cm31

MXS

(kg/m)

0.90 0.24 0.02 0,048 0.31 0.19 1 ,oo 0.27 0.03 0,052 0.31 0.21 1.20 031 0.03 0,058 0.30 0.25 0.90 0,33 0.06 0,092 0,42 0.26 1 ,oo 0,37 0,06 0,100 0.41 0.29 1,20 0.43 0.07 0,114 0,41 0.34 1.50 0.53 0.08 0.133 0.40 0.41 0.90 0.42 0.12 0,150 0.53 0.33 1 ,oo 0.47 0.13 0,163 0.53 0.37 1.20 0.55 0.15 0,189 0.52 0.43 1.50 0.68 0.18 0,223 0.51 0.53 2,00 0.87 0.21 0,270 0.50 0.68 0.90 0.51 0.21 0,222 0.64 0,40 1 ,oo 0.57 0.23 0,243 0.64 0.45 1.20 0.67 0.27 0,283 0.63 0.53 1,50 083 0.32 0,337 0.62 0.65 2.00 1.07 0.40 0,414 0.61 0.84 2.25 1.19 0.43 0,448 0,60 0.93 0,90 0.56 0,28 0,266 0.70 0.44 1 .oo 0.62 0.30 0,291 0.70 0.49 1.20 0.74 0.35 0.339 0.69 0.58 1.50 0,90 0.42 0.405 0.68 0.71 2po 1 .17 0.52 0,502 0.67 0.92 2,25 1.30 0,56 0,544 0.66 1.02 2.69 160 0.63 0,604 0,65 1,18 0.90 0.58 0.30 0,282 0.72 0.45 1 PO 0.64 0.33 0.309 0.72 0,50 1.20 0.76 ‘Jr38 0,361 0.71 0.59 1.50 0.93 0,46 0,432 0.70 0.73 2.00 1.21 0.57 0,536 0.69 0.95 2.25 1,35 0.62 0,582 0.68 1.06 2,65 1.55 0.69 0,647 0,67 1.22 ago OW 0.34 0,309 0.76 0.47 I.00 0.67 0.38 0,338 0.75 0.52 1,20 0.79 0.44 0,395 0.75 0.62 1.50 0.98 0.53 0,474 0.73 0.77 2.00 1.27 0,66 0.590 0.72 1 ,oo 2.25 1.41 0.71 0,641 0.71 1.11 2.65 1.63 0.79 0,715 0.70 1.28 0.90 0.69 0.52 0,410 0.87 0.54 1.00 0,77 0.57 0.450 0,86 0.M) 1.20 0.91 0.67 0.527 0.86 0.72 1.50 1.13 0.81 0,636 0.85 0.88 2.00 1.42 1.01 0,798 0.83 1,15 2.25 I,64 1.11 0,871 0.82 1.28

~~ 2.65 1.89 1.24 0,978 0.81 1.49

iy

Continua

12 NBR659ll1981

TABELA6- Dimen~eesparatubosdese~~circular

DiSmetro externo

Imml

26.67 26.67

= 26.67 * 26.67 * 26.67 * 26.67 * 26.67 * 28.60 l 28.60 * 28.60

28,60 28.60 28,60 28.60

l 31.75 l 31.75 l 31.75 " 31.75 * 31.75 * 31.75 l 31.75 = 31.75

33.40 33.40 33.40

* 33.40 l 33.40 * 33.40 l 33.40 * 33,40 * 33,40 l 34.90

l 34.90

l 34.90

* 34.90

* 34.90

* 34.90

* 34.90

34.90 34.90

l 38.10 l 38.10 * 38.10 l 38.10 * 38.10 l 38.10 . 38,lO l 38.10 l 38.10

41.27 41.27 41.27 41.27 41.27 41.27 41.27 41.27 41.27 41.27

1PJ 0.81 0.67 0,499 0.91 0.63 1.20 0.96 0.78 0,585 0.90 0.75 1.50 1.19 0.94 0,707 0.89 0.93 2.00 1.55 1.19 0,890 0.88 1.22 2.25 1.73 1.30 0,973 0.87 1.36 2.65 2.00 I,46 1,095 0.85 1.57 3.00 2.23 1.59 1,190 0.84 1.75 1.00 0.87 0.83 0,578 0.97 0.69 1.20 1.03 0.97 0,679 0.97 0.81 1.50 1.28 1.18 0,822 0.96 1.00 2.00 1.67 1,49 1,040 0.94 1.31 2.25 1.86 1,63 1,139 0.94 1.46 2.65 2.16 1.84 1,285 0.92 1.70 3.00 2.41 2.00 1,401 0.91 I.89 0.90 0,87 1.04 0,654 1.09 0.68 1.00 0.97 1.14 0,720 1.09 0.76 1.20 1.15 1.35 0,848 1.08 0.90 1.50 1.42 1.64 1,030 1.07 1.12 2.00 1.87 2.08 1,309 1.05 1.47 2.25 2.09 2.28 1,437 1.04 1.64 2.65 2.42 2.59 1,629 1.03 1.90 3.00 2.71 2.83 1,783 1.02 2.13 1.00 1.02 1.34 0,801 1.14 0.80 1.20 1.21 1.58 0,943 1.14 0.95 1.50 1.50 1.92 1,148 1.13 1.18 2.00 1.97 2.44 1,462 1,ll 1.55 2.25 2.20 2.69 1,608 1.10 1.73 2.65 2.56 3.05 1,825 1.09 2.01 3.00 287 3.34 2,001 1.08 2.25 3.35 3.16 3.61 2,164 1.07 2.48 3.75 3.49 3,90 2.330 1.06 2,74 lpo ID6 1.53 0,877 1.20 084 1.20 1,27 1.81 1,035 1.19 1 ,oo 1.50 1.57 2.20 1,260 1.18 1,24 2.00 2,07 2.81 1,609 1.16 1.62 2.25 2.31 3.09 1,771 1.16 1.81 2.65 2.68 3.51 2,014 1.15 2.11 3.00 3.01 3.86 2,211 1.13 2.36 3.35 3.32 4.18 2,394 1.12 2.61 3.75 3.67 4,52 2,588 1.11 2,88 1.00 1.17 2.01 1,053 1.31 og1 1.20 1.39 2.37 1.244 1.31 1.09 1.50 1.72 2.89 1,519 1.30 1.35 2.00 2.27 3.71 1,946 1.28 1,78 2,25 2.53 4.09 2,145 1.27 1.99 2.65 2.95 4.66 2,447 1.26 2.32 3.00 3.31 5.13 2,694 1.25 2.@3 3.35 3.66 5.57 2,925 1.23 2.87 3,75 4.05 6.04 3,170 1,22 3.18 1.00 1.27 2.57 1,244 1.42 0.99 1.20 151 3.04 1,471 1.42 1.19 1.50 1.87 3.71 1,798 1.41 1.47 2.00 2.47 4.77 2,311 1.39 1.94 2.25 2.76 5.27 2,552 1.38 2.17 2.65 3,21 6,02 2,919 1.37 2.52 3.00 3.61 6.64 3,220 1.36 2.83 3,35 3.99 7,23 3,503 1.35 3.13 3.75 4.42 7.86 3,807 1.33 3.47 4.25 4.94 8.58 4.158 1.32 3.88

4rea

km21

vlomentode Momenta in&& resistente (cm41 (cm31 (kg/m)

Continua

NBR 659111961 13

himetro C%Ct~~"O

(mm)

Espeaura (E)

(mm)

Area

km2)

rlomentode Momenta Raiode inhrcia resistente gira+ (cm4) km3) (cm)

42.16 1.00 1.29 2.74 42.16 1.20 1.54 3.24 42.16 1.50 1.92 3.97

l 42.16 2.00 2.52 5.10 l 42.16 2.25 2.82 5.64 * 42.16 2.65 3.29 6.45 l 42.16 3.00 3.69 7.12 l 42.16 3.35 4.09 7.75 * 42.16 3.75 4,53 8.42

42.16 4.25 5.06 9,21 * 44.45 1.00 1.37 3.22 * 44.45 1.20 1.63 3.82 l 44.45 1.50 2.02 4.67 l 44.45 2.00 2.67 6.02 * 44.45 2.25 2.98 6.65 = 44.45 2.65 3.48 7.63 * 44.45 3.00 3,91 8.43 * 44.45 3.35 4.33 9.19 * 44.45 3.75 4.80 10.01

44.45 4.25 5.37 10.96 l 47.60 1 ,oo 1.46 3.98 = 47.60 1,20 1.75 4.71 * 47.60 1.50 2.17 5.78 = 47.60 2.00 2.87 7.46 l 47.60 2.25 3.21 8.26 * 47.M) 2.65 3.74 9.48 l 47.60 3.00 4.20 10.50 * 47.60 3,35 4,66 11.46 * 47.60 3.75 5.17 12.51

47.60 4.25 5.79 13.73 47.60 4.50 6.09 14.30 47.60 4.75 6.39 14.86 46.26 1.00 1,48 4.15 46.26 1.20 1,77 4.91 48.26 1.60 2.20 6.03

* 48,26 2.00 2.91 7.79 * 48.26 2.25 3.25 8.63 l 46.26 2.65 3.80 991 * 48.26 3.00 4.27 10,97 * 48.26 3.35 4.73 11.98 l 48.26 3.75 5.24 13.08

46.26 4.25 588 14.36 46.26 4.50~ 6.19 14.97 48.26 4,75 6.49 15.55

* 50.80 lpo 1.56 485 l 50,80 1.20 1.87 5.75 l 5080 1.50 2.32 7.07 l 50.80 2.00 3.07 9.14 * 50.80 2.25 3.43 10.13 l 50.80 2.65 4,Ol 11.65 = 50.80 3.00 4.51 12.92 = 50.80 3.35 499 14.12 l 50.80 3.75 5.54 15.44 * 50.80 4.25 6.22 16.98 * 50.80 4.50 6.55 17.71 * 50.80 4.75 687 18.41 l 5080 5.00 7,19 19,09

57.15 1 ,oo 1.76 6.95 * 57.15 1.20 2.11 8.26 * 57.15 1.50 2.62 10.16

iABELA 6 - Dimendes paratuborde s&b circular

1,300 1.46 1.02 1,538 1.45 1.21 1,881 1.44 150 2,419 1.42 1.98 2,673 1.41 2.21 3,058 1.40 2.58 3,376 1.39 2.90 3,675 1.38 3.21 3,996 1.36 3.55 4,368 1.35 3,97 1,450 1.53 1.07 1,717 1.53 1.28 2,102 1.52 1.59 2,710 I.50 2.09 2,996 1.49 2.34 3,433 1.48 2.73 3,795 1.47 3.07 4,137 1.46 3.40 4,505 1.44 3.76 4,933 1.43 4.21 1,670 1.65 1.15 1,979 1.64 1.37 2,427 1.63 1.71 3,135 1.61 2.25 3,471 1.60 2.52 3,985 1.59 2.94 4,411 1.58 3.30 4,817 1,57 3.66 5,255 1.56 4.06 5,766 1.54 4.54 6,009 1.53 4,78 6,242 1.52 5.02

17.19 1.67 1.17 2,037 1.67 1.39 2,498 1.66 1.73 3,228 1.64 2.28 3,575 1.63 2,55 4,106 1.61 2.98 4,546 l,@J 3.35 4,966 1.59 3.71 5,420 1.58 4.12 5,951 1.56 4.61 6,202 1.55 4.86 6,443 1.55 5.10

19.10 1.76 1.23 2,265 1.75 1.47 2.781 1,74. 1.82 3,600 1.73 2.41 3,989 1.72 2.69 4,587 1.70 3.15 5,086 1.69 3.54 5,561 1.68 3.92 6.077 1.67 4.35 6,683 1.65 4,88 6,971 1.64 5.14 7,248 1.64 5.39 7,515 1.63 5.65 2,434 1.99 1.38 2,890 1.98 1.66 3,555 1.97 2.06

Continua

14 NBR 6591/1981

Diemetro externo

(mm)

* 57.15 2.00 3.47 13.19 4,616 1.95 2.72 * 57,15 2,25 3.68 14.65 5,125 1.94 3,05 * 57.15 2,65 4.54 1689 5,910 1.93 3.56 l 57.15 3.00 5.10 18.76 6,566 1.92 4.01 l 57.15 3.35 5.66 20.57 7,197 1.91 4.44 * 57.15 3.75 6.29 22.54 7,886 1.89 4.94

57.15 4.25 7,07. 24.87 8.702 1.88 5.54 57.15 4.50 7.44 2588 9,092 1 .a7 5.84 57.15 4.75 782 27.06 9,470 1.86 6.14 57.15 5.00 8.19 28.10 9,835 1.85 6.43 60.33 1.20 2.23 9.75 3,231 2.09 1,75 60.33 1.50 2.77 12,00 3,979 2.08 2.18

* Liu,33 2.00 3.66 15.61 5,173 2.06 288 * 60.33 2,25 4.11 17.34 5,747 2.05 3.22 * 60.33 2,65 480 20.01 6,634 2.04 3,77 " 60.33 3.00 5.40 22.26 7,379 2.03 4.24 * 60.33 3.35 6,00 24.42 8,096 2.02 4.71 * 60.33 3.75 6.67 26.79 8,881 2.00 5.23 * 60,33 4.25 7.49 29.61 9,814 1.99 5.86 * 60.33 4.50 7.89 30.95 10,261 1.98 6,20 * 60,33 4.75 8.29 32.26 10,695 1.97 6.51 " 60.33 5.00 8.69 33.53 11,116 1.96 8.62 * 60.33 5.60 9.63 36.43 12,077 1.95 7.56 l 63.50 1.20 2.35 11.40 3,590 2.20 1.84 * 63.50 1.50 2.92 14.05 44.24 2.19 2.29 * 63.50 2.00 3.86 18.29 57.60 2.18 3.03 = 63.50 2.25 4.33 20.33 6,403 2.17 3.40 * 63.50 2.65 5.07 23.49 7,399 2.15 3.98 * 63.50 3.00 5.70 26,15 8,237 2.14 4.48 * 63.50 3.35 6.33 26.72 9,045 2.13 4.97 * 63.50 3.75 7.04 31.54 9,933 2.12 5.52 * 63.50 4.25 7.91 34.90 10,990 2.10 6.21 " 63.50 4.50 8.34 36.51 11,498 2.09 6.55 * 63.50 4.75 8.77 38.07 11,991 2.08 6.88 * 63.50 5.00 9.19 39.61 12,471 2.08 7,21 l 63.50 5,60 10.19 43.09 13,570 2.06 8.00

69.85 1.20 2.59 15.25 4,367 2.43 2.03 69.85 1.50 3.22 16.82 5,388 2.42 2,53 69,85 2.00 4.26 24.55 7,030 2,40 3.35 69.85 2.25 4.78 27.33 7,824 2.39 3,75 6985 2.65 5.59 31.63 9,056 2.38 4.39 69.85 3,OO 6.30 35.27 10,098 2.37 4.95 69.85 3.35 7.00 38.79 11,105 2.35 5.49 69.65 3.75 7.79 42.67 12,217 2.34 6.11 69.85 4.25 8.76 47.31 13,547 2.32 6.88 69.85 4.50 9.24 49.55 14,188 2.32 7.25 69.85 4,75 9.71 51.74 14814 2.31 7.63 69,85 5.00 10.19 53.87 15,424 2,30 8.00 69.85 5.60 11.30 58.77 16,827 2.28 8.87 73.00 1.20 2.71 17.45 4,780 2.54 2.12 73.00 1.50 3.37 21.54 5,902 2.53 u4 73.00 2.00 4.46 28.13 7.708 2.51. 3.50 73.00 2.25 5.06 31.32 8,582 2.50 3.93 73.00 2.65 5.66 36.28 9.941 2.49 4.60 73,00 3.00 6.60 40,48 11,091 2.48 5.18 73.00 3.35 7.33 44.55 12,206 2.47 5.75 73.00 3.75 6.16 49.05 13.438 2.45 6.40 73.00 4.25 9.18 54.44 14,915 2.44 7.21 73.00 4.50 9.68 57.05 15,629 2.43 7.60 73.00 4,75 10.18 59.59 16.326 2.42 7.99

Area

(cd

hmentode in&cia (cm4)

Momenta resistente

h-l3)

Raio de Sira+

(cm)

klarsa

lkS/m)

Continua

NBR6591/1981 15

Diimetro irpemra externo (El

(mm) (mm)

l 73.00 73.00 73.00

f 73.00 76.20 76,20 76.20 76.20

* 76.20 * 76.20 * 76.20 * 76.20 * 76.20 * 76.20 * 76.20 * 76.20

76,20 76.20 76;20 88.90 88.90

* 88.90 * 88.90 * 88.90 * 88.90 * 88.90 * 88.90 * 88.90 * 88.90 * 88.90 * 88.90 * 88.90

88,90 101.60

* 101.60 * 101.60 * 101.60 * 101.60 l 101.60 * 101.60 * 101.60 l 101.60 * 101.60

101.60 * 101.60

1Ol.M) 101.60

* 101.60 l 114.30 * 114.30 * 114.30 l 114.30 * 114.30 * 114.30 l 114.30 * 114.30 * 114.30 l 114.30 l 114.30 l 114.30 * 114.30

TABELA6- Dimenr6erparatubosde~o circular

Area lassa

(cm2)

Momentode in&cia

(cm4)

Momenta reristente

km31

Raio de gira@a

Icm) kg/m)

5.00 10.68 62.07 17,006 2.41 8.38 5.60 11.86 6780 18,575 2.39 9.31 6.30 13.20 74.07 20,293 2.37 0.36 7.11 14.72 80.80 22.137 234 1.55 1.20 2.83 19.89 5,219 2,65 2.22 1.50 3,52 24.56 6,447 29 2.76 2.00 4,66 32.11 8,427 2.63 3.66 2.25 5.23 35.77 9,387 2.62 4.10 2.65 6.12 41.26 10,882 2.60 4.81 3.00 6.90 46.29 12,148 2.59 5.42 3.35 7.67 50.97 13,378 2.58 6.02 3.75 8.54 56.15 14,738 2.56 6.70 4.25 9.61 62.38 16,373 2.55 7.54 4.50 10.14 65.39 17.184 2.54 7.96 4.75 10.66 6834 17,937 2.53 8.37 5.00 11.18 71.22 18,693 2,52 8.78 5,60 12.42 77.87 20,439 2.50 9.75 6.30 13.83 85.18 22,357 2.48 10.86 7.11 15.43 93.06 24,424 2.46 12.10 1.50 4.12 39.34 8,850 3.14 3.23 2ml 5.48 51.57 11,601 3.14 4.29 2.25 6.12 57.52 12,941 3.07 4.81 2.65 7.18 66.83 15,036 3.05 5.64 3.00 8.10 74.76 16,820 3.04 6.35 3.35 9.00 82.49 18,559 3.03 7.07 3.75 10.03 91.09 20,493 3.03 7.87 4.25 11.30 101.49 22,832 3.00 8.87 4.75 12.56 111.51 25,086 2,98 9.86 5.00 13.18 116.38 26,181 2.97 10,34 5.60 14.66 127.69 28,726 2.95 11.50 6.30 16.35 140.24 31,549 2.93 12.83 7.11 18.27 153.92 34.628 2.90 14.34 WC’ 20.33 167.97 37,788 2.87 15.96 1,50 4.72 59.09 11.633 3.54 3.70 2.00 6,26 77.63 15,282 3.52 4.91 2.25 7.02 86.69 17,065 3.51 5.51 2.65 8.24 100.89 19,861 3.50 6.47 3.00 9.29 113.03 22.250 3.49 7.29 3.35 10.34 124.91 24,589 3.48 a.12 3.75 11.53 138.17 27,198 3.46 9.05 4.25 13.00 154.27 30,368 3.44 10.20 4.50 13.73 162,13 31,915 3,44 10.78 4.75 14.45 169.86 33,437 3.43 11.34 5.00 15.17 177.47 34,934 3.42 11.91 5.60 16.89 195.22 38,430 3.40 13.26 6.30 18.86 215.06 42,335 3.38 14.81 7.11 21.08 236.88 46,631 3.35 16.57 8.00 23.52 259.50 51,082 3.32 18,47 2.25 7.92 124.35 21.758 3.96 6.22 2.65 9.30 144.92 25,357 3.95 7.30 3.00 10.49 162,55 28,442 3.94 8.23 3.35 11.68 179.84 31,460 3.92 9.17 3,75 13.02 199.19 34,853 3.91 IO,22 4.25 14.69 222.77 38,980 3.90 11.53 4.50 15.52 234.32 41,000 3.89 12.16 4.75 16.35 245.70 42,992 3.88 12.83 5.00 17.17 256,92 44,955 3.87, 13.48 5.60 19.12 283.19 49,553 3.85 15.01 6.30 21.38 312.71 54,718 3.82 16,78 7.11 23.94 345.38 60,434 3.80 18.79 8.00 26.72 379.49 66,402 3.77 20.97

Continua

127.00 2.25 8.82 171.59 27,023 4.41 127.00 2.65 10.35 zoo,19 31,526 4po

l 127.00 3.00 11.69 224.75 35,394 4.38 * 127.00 3,35 13.01 248.89 39,195 4.37 * 127.00 3.75 14,52 275.96 43,459 4.36 * 127.00 4.25 16.39 309.05 48,670 4.34 * 127,00 4.50 17.32 325.29 51,226 4.33 l 127,00 4.75 18.24 341.31 53,750 4.33 * 127,00 5.00 19.16 357,14 56,242 4.32 * 127.00 5.60 21,36 394.30 62.094 4.30 * 127.00 6.30 23.89 436.22 68,696 4.27 * 127.00 7.11 26.78 482.84 76,037 4.25 * 127.00 8.00 29.91 531.80 83,748 4.22

139.70 2.25 9.72 229.50 32,857 4.86 139.70 2.65 11.41 267.98 38,365 4.85 139.70 3,00 12.88 301.09 43.105 4,83 139.70 3.35 14.35 333.68 47.77 4.82 139.70 3.75 16,OZ 370.31 53,014 4.81 139.70 4.25 18.08 415.16 59,436 4.79 139.70 4.50 19.11 437.20 62,591 4.78

l 139.70 4,75 20.14 459.00 65,712 4,77 * 139.70 5.00 21,16 480.54 68,796 4.77 * 139.70 5.60 23.59 531.24 76.054 4,75

139.70 6.30 26.40 588.62 84,269 4.72 139.70 7.11 29.62 652,69 93,442 4.69 139.70 8.00 33.10 720.29 103,119 4.66 141.30 2.25 9.83 237.61 33,632 4.92 141.30 2.65 11.54 277.47 39,274 4,90 141.30 3.00 13.03 311.78 44,131 4.89 141.30 3,35 14.52 345.56 48,911 4.88 141.30 3.75 16.20 383.52 54,285 4.87 141.30 4.25 18.30 430.03 60,868 4,85 141.30 4.50 19.34 452.80 64,104 4.84 141.30 4.75 20.38 475.50 67.304 4,83 141.30 5.00 21.41 497.85 70,468 4.82 141.30 5.60 23.87 550.46 77,914 4.81

l 141.30 6.30 26.72 610,OZ 86,344 4.78 141.30 7.11 29,97 676,56 95,762 4,75 141.30 8.0’3 33.50 746.80 105,704 4.72 152.40 2.25 10.61 299.17 39,261 5.31 152,40 2.65 12.47 349.58 45,876 5.29

* 152.40 3.00 14.09 393.01 51,576 5.28 152.40 3.35 15.69 435.83 57,196 5.27 152.40 3.75 17.51 484.02 63.51~9 5.26 152.40 4.25 19.78 543.14 71,278 5.24

* 152.40 4.50 20.91 572.23 75.097 5.23 * 152.40 4.75 22.03 601,03 78,876 5.22 l 152.40 5,00 23.15 629.53 82,616 5.21 l 152.40 5.60 25.83 696.72 91,433 5.19 l 152.40 6.30 28.92 772.96 101,438 5.17

152.40 7.11 32.45 858.37 112,647 5.14 152,40 8,00 36.29 948.81 124,516 5.11 165.10 2.25 11.51 381,67 46,235 5.76 165.10 2,65 13.52 446,25 54,059 5.75 165.10 3.00 15.28 501.97 60.808 5.73 165.10 3.35 17.02 556.96 67,469 5.72 165.10 3.75 19.01 618.92 74,975 5.71 165.10 4,25 21.48 695,05 84,198 5.69 165.10 4.50 22.70 732.58 88,743 5.68

* 165,lO 4.75 23.93 769.74 93,245 5.67

TABELA 6 - Dimensks para tubas de se&n circular

Area

(cm21

Aomentode Momenta Aaio de in&ha resistenfe gira& (cm4) (cm3) (cm)

Massa

kg/m)

6.92 8.13 9.17

10.21 11.40 12.86 13,59 14,32 15,04 16.76 18.75 21.02 23.48

7,63 8.96

10.11 11.26 12.57 14.20 15.00 15.81 16.61 18.52 20.72 23.25 25.98 .~

7,72 9.06

10.23 11.40 12.72 14,36 15.18 15.99 16.81 18.74 20.97 23.53 26.30

8.33 9.79

11.05 12.31 13.75 15,53 16.41 17.30 18.17 20.27 22,70 25.47 28.49

9.04 10.62 11.99 13.36 14.92 16,86 17.82 18.78

ontinua

NBR 659111981 17

DiS.metro Espessura externo (El

(mm) (mm)

Area I

kd

Momentode Momenta Raiode inkcia resistente gira@o km4) km3) km)

* 165.10 5.00 25.15 806.54 97.704 5.66 * 165.10 5.60 28,06 893.44 108,230 5.64

165.10 6.30 31.43 992,28 120,204 5,62 165,lO 7.11 35.29 1.103.31 133,654 5.59 165.10 8,00 39.48 1.221.25 147,940 5.56 166.30 2.25 11.74 404.61 48,082 5.87 168.30 2.65 13.79 473.14 56,226 5.86 168.30 3-00 15.58 532.28 63,254 5.85 168.30 3.35 17.36 590.66 70,192 5.83 168.30 3.75 19.39 656.46 78,011 5.82 168.30 4.25 21.90 737.34 87,622 5.80 168.30 4.50 23.16 777.21 92,361 5.80 168.30 4.75 24.41 816.72 97.055 5.78 168.30 5.00 25.65 855.85 101,705 5.78 168,30 5.60 28.62 948,25 112,686 5.76

l 168.30 6.30 32,06 1.053.42 125,183 5.73 l 168.30 7.11 36.00 1.171.62 139,230 5.70

168.30 8.00 40.29 1.297.27 154,162 5.67 177.80 2.25 12.41 478.10 53,779 6,21 177.80 2.65 14.58 559.29 62,912 6.19 177.80 3.00 16.47 629.41 70,800 6.18 177.80 3.35 18.36 698.68 78,592 6.17 177.80 3.75 20.50 776.81 873.80 6.16 177.80 4.25 23.17 872.93 98.193 6.14 177.80 4.75 25.82 967,37 108,816 6.12 177.80 5.00 27.14 1.013.97 114.057 6.1 1 177.80 5.60 30.30 1.124.10 126,445 6.09 177.80 6.30 33.94 1.249.62 140,565 6.07 177,80 7.11 38.13 1.390.93 156,461 6.04 177.80 8.00 42.68 1.541.44 173,390 6.01

TABELA 6 - Dimens6es pwa tubor de s@a circular Continua&

WmJ 19.74 22.03 24,67 27,70 2,5,07

9.21 10.83 12,23 13,63 15.22 17.19 18.18 19.16 20.13 22.47 25.17 28.26 31.62

9.74 11.45 12.93 14.41 16.10 18.19 2027 * 21.31 23.78 26.64 29.92 33.50

lyotasr a) 0s valores desta Tabela foram obtidos por cSlculo a partir das dimen- s&s nominais.

b) OS padroes assinalados (*) correspondem a tubas facilmente encontra-

veis no mercado brasileiro.

18 NBR6591/1981

TABELA7- Dimenderparatubordese~oquadrada

15.87 * 15,a7 f 15.87

19.00 * 19;oo l 19.00

20.00 * 20.00 * 20.00 * 20.00

21.00 l 21.00 * 21.00 * 21,00

22,00 * 22,oo * 22.00 * 22.00

25.00 = 25.M) I 25.00 * 25.00

25,40 * 25.40 l 25.40 = 25,40

30.00 l 30,oo l 30.00 * 30.00

30.00 30.00

- 30,oo 31.75

= 31.75 = 31.75 l 31.75

31.75 31,75 31.75 35,00

* 35.00 l 35.00 * 35.00

35,00 35.00 35.00

Espessura (E)

(mm)

Area

(cm2)

Momentode ink% (cm?

Memento resistente

(cm3)

Raio de giraf$o

km)

T- N

(I

1 ,oo 0.59 0.22 0,278 0.6 0.47 1.20 0.70 0.53 0,666 0.9 0.55 1.50 0.86 0.30 0,378 ‘3.6 0.54 1.M) 0.72 0.39 0,410 0.7 0.57 1.20 0.85 0.45 0,477 0.7 0.67 1.50 1.05 0.54 0,568 0.7 0.82 1 ,oo 0.76 0.46 0,459 10.8 0.60 1.20 0.90 0.53 0,534 0.8 0.71 1.50 1.11 0,64 0,637 0.8 0.87 2.00 1,44 0.79 0,787 0.7 1.13 1.00 0.80 0.53 0,509 0.8 0.63 1.20 0.95 0.62 0,594 ‘3.8 0.75 1.50 1.17 0.75 0,710 0.8 0.92 2.00 1.52 0.93 0,880 0.8 1.19 1.00 ON 0.62 0,563 0.9 0.66 1.20 1 ,oo 0.72 0,657 0.7 0.78 1.50 1.23 0.87 0.787 0.8 0.97 2.00 1.60 1.08 0,970 0.8 1.25 l,oQ 0,96 0.92 0,739 1.0 0.75 1.20 1.14 1.08 0,865 1 ,o 0.90 1.50 1.41 1.30 1,042 1 .o 1.11 2.00 1.84 1.63 1,100 0.9 1.44 1.00 0.98 0.97 0.764 1.0 0,77 1.20, 1.16 1.14 0,895 1.0 0.91 1.50 1,43 1,37 1,079 1.0 I,13 2,00 187 1,72 1,355 1.0 1,47 1.00 1.16 1.63 1,085 1.2 0.91 1,20 1.38 1.91 1,276 1.2 1,09 1.50 1.71 2,32 1.548 1.2 1.x 2.00 2.24 2,94 1,961 1.2 1.76 2.25 2.50 3.22 2,150 1.1 1.96 2.67 2.92 3.67 2,446 1.1 2.29 3.00 3,24 3.98 2,657 1.1 2.54 1.00 1.23 1,94 1,222 1.3 0.97 1.20 1.47 2,28 1,439. 1.2 1.15 1.50 1.82 2.78 1,748 1.2 1.42 2.00 2.38 3.53 2,221 1.2 1.87 2.25 2.66 3.87 2,440 1.2 2.08 2.65 3.08 4.39 2,765 1.2 2.42 3.00 3.45 4.80 3,026 1.2 2.71 1.00 1.36 2.62 1,499 1.4 1.07 1.20 1.62 3,09 1,768 1.4 1.27 1.50 2,Ol 3.77 2,153 1.4 1.58 2.00 2.64 4.81 2,748 1.3 2.07 2.25 2.95 5.29 3,025 1.3 2.31 2.65 3.43 6.02 3.441 1.3 2.70 3.00' 3.84 6,61 3,778 1.3 3.01

---__

Continua

NBR 659111961 19

Dimen%% externa

(mm)

E ispessura El

(mm)

Area Mass.3 MC mxnto de Memento Raio de I nhrcia resistente gira$o 1 :cm4) (cm3) km1

CC

I

, lkgh)

38.00 1 ,oo 1,48 3.38 1,779 1.5 1.16 " 38.00 1.20 1.77 3.99 2,101 1.5 1.39 * 38.00 1.50 2.19 4.87 2,564 1.5 1.72 l 38.00 2.00 2,88 6.24 3,284 1.5 2.26

38.00 2,25 3,22 6.88 3,621 1.5 2.52 38.00 2,65 3.75 7.85 4,130 1.5 2.94 38.00 3.00 4.20 8.64 4,546 1.4 3.30 40.00 1 .oo 1.56 3.96 1,979 1.6 1.22

l 40,oo 1.20 1,86 4.68 2,339 1.6 1.46 * 40.00 1.50~ 2.31 5.72 2,858 1.6 1.81 * 40.00 2,00 3.04 7.34 3,668 1.6 2.39

40.00 2.25 3.40 8,lO 4,049 1.5 2.66 40.00 2.65 3.96 9.25 4,626 1.5 3.11

* 40.00 3.00 4,44 10.20 5.099 1.5 3.40 * 41.27 1.20 1.92 5.15 2,50 1.6 1.51 l 41.27 1.50 2.39 6.30 3.05 1,6 1.87 I 41.27 2.00 3.14 8.10 3,923 1.6 2.47

41.27 2.25 3.51 8.94 4,333 1.6 2.76 41.27 2.65 4.09 10.22 4,955 1.6 3.21 41.27 3.00 4.59 11.28 5,466 1.6 3.61

* 50.00 1.20 2.34 9.30 3,721 2.0 1.84 * 50.00 1.50 2.91 11.42 4,568 2.0 2.28 = 50.00 2.00 3.84 14.77 5,909 2.0 3.01

50.00 2.25 4.30 16.37 6,547 2,o 3.37 50.00 2.65 5,02 18.81 7,525 1.9 3.94

l 50,oo 3.00 5.64 20.85 8,340 13 4.43 50.00 3.35 6.25 22.79 9,116 1.9 4.91 50,oo 3.75 6.94 24.90 9,958 1.9 5.45 50.00 4.25 7.76 27.37 10,946 1.9 6,ll 50.00 4.50. 6.19 28.54 11,414 1.9 6.43 50.00 4.75 8.60 26.90 11,865 1.8 6.75

x 60.00 1.20. 2.82 16.27 5,424 2.4 2.22 * 60.00 1.50 3.51 20.03 6,678 2,4 2.76 * 60.00 2.00 4.64 26.05 8,662 2.4 3.64

60.00 2.25. 5.20 28.93 9,645 2.4 4.08 60.00 2,65 6.08 33.39 11,132 2.3 4.77

* 60.00 3.00 6.84 37.14 12,380 2.3 5.37 60.00 3.35 7.59 40.74 13,582 2.3 5,96 60.00 3.75 8.44 44.69 14,897 2.3 6.62 60.00 4.25. 9.48 49.38 16,460 2.3 7.44 60.00 4.50 9.99 51.62 17,208 23 7.84 60.00 4.75 10.50 53.80 17,934 2.3 8.24

= 60.00 5,00 11.00 55.92 18.639 2.3 8.64 * 63.50 1,50 3.72 23.85 7.511 2.5 2.92 = 63.50 2.00 4.92 31.05 9,779 2.5 3.86

63.50 2.25 5.51 34.51 10,871 23 4.33 63.50 2.65 6.45 39.88 12,561 2.5 5,06

* 63.50 3,00 7.26 44.40 13,984 2,5 5.70 63.50 3,35 8.06 48.75 , 15,355 2.5 6.33 63.50 3.75 8.96 53.54 16,862 2.4 7.04 63,50 4,25 10.07 59.24 18.657 2.4 7.91 63.50 4.50 10.62 61.97 19.519 2.4 8.34

* 63.50, 5.00 11.70 67.22 21,172 2.4 9.18 70.00 1.50 4.11 32.16 9.19 2.8 3,23 70.00 2,00 5.44 41.96 11,989 23 4,27 70.00 2.25 6.10 46.70 13,342 2.8 4.79 70.00 2.65 7.14 54,06 15,444 2.8 5.60 70.00 3.00 8.04 60.27 17,221 2.7 6.31 70.00 3.35 8.93 66.29 18,940 2.7 7.01 70.00 3,75 9.94 72.93 20,836 2.7 7.80

TABELA 7 - Dimenkks para tubasde se& quadrada

-

Continua

20 NBR659111981

DimenGo externa

(mm)

7000 , I

70.00 70.00 70.00 80.00 80.00 80.00 80.00 SOP0 80,OO 80,OO 80.00 80.00 80.00 80.00 80.00

100.00 100.00 100.00 100.00 100.00 lOQ.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 115.00 115.00 115.00 115.00 115.00 115.00 115.00 115.00 115.00 115.00 115.00 115.00 115.00 125.00 125,OO 125.00 125.00 125.00 125.00 125.00 125.00 125.00 125.00 125.00 125.00 125.00 140.00 140.00 140.00 140.00 140.00

E

TABELA7- Dimen~erparatuborden~oqquadrada

ispesmra (E)

(mm)

AV3

(cm21

Momenta de inhcia (cm4)

MOlWXltO resistenfe

(cm31

Raio de gira+ (cm)

Continua+0

Massa

lkgh)

4.25 11.18 80.87 23,106 2.7 a.77 4.50 11.79 84.70 24,200 2.7 9.26 4.75 12.40 88.44 25.268~ 2.7 9.73 5.00 13,OO 92.08 26,310 2.7 10.21 1.50. 4.71 4839 12,098 3.2 3.70 2,00 6,24 63.32 15,829 3.2 4.90 2,25 7.00 70,56 17,640 32 5.49 2.65 8.20 81,86 20.464 3.2 6.44 3.00 9.24 91.45 22,861 3.2 7.25 3.35~ 10.27 100.77 25,192 3.1 8.06 3.75 11.44 111,10 27,775 3.1 8.98 4.25 12.88 123,54 30.885 3.1 10.11 4.50 13.59 129.57 32,392 3,l 10.67 4.75 14.30 135.47 33,868 3.1 11.22 5.00 15.00 141.25 35,313 3,l 11.78 5.60 16.67 154.62 38,655 3.0 13.08 2.25 8.80 140.18 28,035 4.0 6.91 2.65 10.32 163.11 32,622 4.0 8.10 3,00 11.64 182,71 36,542 4,O 9.14 3,35 12.95 201.87 40,375 3.9 10.17 3.75 14.44 223.25 44,651 3.9 11.33 4.25 16.28 249,21 49,842 3.9 12.78 4.50 17.19 26188 52,375 3.9 13.49 4.75 18.10 274.33 54,866 3.9 14.21 5.00 19.00 286,58 57,317 3.9 14.92 5.60 21.15 315.17 63,033 3.8 16.60 6.30 26.61 347.08 69.416 3.6 18.54 7.11 26.42 382,14 76,428 3,8 20.74 a,00 29.44 418.44 83,688 3.8 23.11 2.25 10.15 215.08 37,406 4.6 7.97 2.65 11.91 250,68 43,596 4.6 9.35 3.00 13.44 281,18 48,901 4.6 10.55 3.35 14.96 311.12 54,107 4.6 11.74 3.75 16.69 344.62 59.93 4.5 13.10 4.25 18.83 385.45 67,035 4.5 14.78 4.50 19.89 405.44 70,512 4.5 15.61 4.75 20.95 425.15 73,939 4.5 16.44 5.00 22.00 444.58 77,319 4.50 17.27 5,60 24.51 490.10 85,235 4.47 20.54 6.30 27.39 541.24 94,129 4.45 21.50 7.11 30.68 597;87 103,977 4.41 24.09 8,OO 34.24 657.00 114,261 4,38 26.88 2.25 11.05 277.53 44,404 5,Ol 8.67 2.65 12.97 323,72 51,705 4,99 10.18 3.00 14.64 363,39 58,143 4.98 11.40 3.35 16.30 402.37 64,379 4.97 12.80 3.75 18.19 446.07 71,371 4.95 14.28 4.25 20,53 499.46 79,913 4.93 16.14 4.50 21.69 525.64 84,103 4.92 17.03 4.75 22.85 551.48 88,237 4.91 17.94 5.00 24.00 577.00 92,320 4.90 18.84 5.60 26.75 636.89 101,903 4.88 21.00 6.30 29.91 704.41 112,705 4.85 23.48 7.11 33.53 779,44 124,711 4,82 26.32 8,OO 37.44 858,309 137,309 4,79 29.39 2.25 12.40 392.18 56,026 5.62 9.73 2.65 14.50 457.93 65.4 19 5.61 11.43 3.00 16.44 514.53 73,504 5.59 12.91 3.35 18.31 570.23 81,461 5.59 14.37 3.75 20.44 632.83 90,404 5.56 16.04

Continua

NBR 659111981

TABELA 7 - DimenCkr para tubor de se& quadrada

externa (mm)

140.00 140.00 140.00 140,oo 140.00 140.00 140,oo 140.00

Espenura (El

(mm1

4,25 23,08 4.50 24.39 4.75 25.70 5,00 27.00 5.60 30.11 6.30 33.69 7.11 37.79 8.00 42.24

Momenta de

i

Momenta resistente

lcm3)

101.356 1ot3:739 112,061 117,381 129,704 143,720 159.368 175.880

Raio de girar& (cm) (kg/m)

5.54 18.12 5.53 19.35 5.52 20.17 5.52 21.20 5.49 23,63 5.46 26.45 5.43 29.67 5.40 33.16

#&as: 8) OS valores desta Tabela foram obtidos por calculo a partir das dimen- s&s nominais.

b) Para efeito de c~lculo, OS raios dos cantos sao OS seguintes: raio do canto externo = 2,s E e raio do canto interno = 1,5 E.

c) OS padroes assinalados (*) correspondem a tubas facilmente encontra - veis no mercado brasileiro.

hl)

l 30x 20 l 30x 20 l 30x 20 * 30x20 l 32x 19

* 32x 19 l 32x 19 l 32x 19 * 35x 15 l 35x 15 * 35x 15 l 35x 15 l 35x 16 l 35x 16 l 35x 16 l 35x 16 l 35x 20 + 35x 20 l 35x 20 * 35x 20

T

-

Espessura (El (mm)

Area Momenta de inhrcia Momenta resinente Raio degira@o

(cm2)

1 .oo 0.96 O,@ 1.20 1,14 0.75 1.50 1.41 0.89 2.00 I,04 1.11 1.00 0.98 0.60 1.20 1,17 0.70 1.50 1,44 0.84 2.00 1.88 1.04 1 ,oo 0.96 0.38 1.20 1.14 0.44 1.50 1,41 0,52 2.00 I,84 0.64 1 ,oo 0.98 0.44 1.20 1,17 0.51 1.50 1.44 0.61 2,00 7.88 0.75 1.00 1.06 0.73 1.20 I,26 0.65 1.50 1.56 1.02 2.00 2.04 1,28

TABELAS- Dimen~esparatubosdeoe~o retangular

X .- X -.

iy

(cm41

1.21 1,42 1.71 2;16 1.36 1.60 1.94 2,44 1.47 1,72 2.08 2.63 1,52 1.79 2.17 2.74 1.76 2.06 2,50 3.17

lcm3)

0,640 0,807 0,750 0,947 0,890 1,140 1,110 1,440 0,632 0,850 0,737 1,000 0,884 1,213 1,094 1,525 0,507 0,640 0,567 0,983 0,693 1,169 0,853 7,503 0,550 0,869 0,638 1,023 0,763 1,240 0,937 1,566 0,730 1,006 0,850 1,177 1,020 1,429 1,280 1,811

-

km)

0.82 1.12 0.81 0;79 0,78 0.78 0,77 0.76 0.74 0,63 0.62 0,61 0.59 0.67 0.66 0.65 0.63 0.83 0,82 0.81 0.79

1:12 1.10 1.08 1.18 1.17 1,16 I,74 1.24 1.23 1,21 1.20 1.25 1,24 1,23 1,21 1.29 I,28 1.27 1.25

-

(kg/m)

0.75 0;90 1.11 1.44 0.77 0,92 1.13 1.48 0.75 0.90 1,ll 1,64 0,77 0.92 1,13 1.46 0,83 0.99 1.22 1.60

.,, ,,, ,, .,,,. ,..1,.,., _,,

TABELA8 - Oimenrder paratubondeoe~% retangular Continua+

Dimensa"0

(mm)

l 35x 20 * 35x 25 * 35x 25 l 35x 25 l 40x 20 * 40x 20 l 40x 20 l 40x 20 " 40x 30 l 40x 30 = 40x 30 l 40x 30 l 40x 30

40x 30 l 40x 30 * 50x 20 l 50x 20 * 50x 20 l 50x 20 * 50x 20

50x 20 l 50x 20 l 50x 30 = 50x 30 l 50x 30 l 50x 30

50x 30 50x 30

l 50x 30 50x 30

* 50x 30 l 50x 40 l 50x 40

Espessura (El (mm)

l,oo 1.20 1.50 2,00 1.00 1.20 1,50 2.00 1.00 1.20 1.50 2.00 2,25 2.65 3.00 I ,oo 1.20 1,50 2.00 2.25 2.65 3,00 1 ,oo I,20 1,50 2.00 2.25 2.65 3.00 3:35 3.75 I,20 1.50

Area Momentode in&a

(cm21 fcm4)

1.16 I;38

1.21 I;42

2.04 2:41

1,71 I,72 2.92 2,24 2.16 3,72 1.16 0.82 2.44 1.38 0.96 2.87 1.71 1.15 3.49 2.24 1.44 4.45 1.36 2.05 3.20 1.62 2.41 3.77 2,Ol 2.93 4,60 2,24 3,73 5.89 2.95 4,lO 6.49 3,43 4,64 7.40 3.84 5.08 8.14 1.36 1 ,oo 4.24 I,62 1.17 5.02 2,Ol I,41 6,13 2.54 1,76 7.86 2.95 1.92 8.67 3.43 2,15 %89 3,84 2.33 10,ao 1.56 2.47 5.45 1.86 2.91 6.44 2.31 3,54 7.89 3.04 4.51 10.16 3.40 4,96 11.23 3.96 5.64 12.87 4.44 6.18 14.21 4.91 6.69 15.49 5.44 7.22 16.86 2.10 5,58 7,87 2.61 6.83 9.65

Momenta resistente

(cm3)

0,970 1.166 1.136 I;376 1,728 0,820 0,960 1,150 1,440 1,367 1,607 1,953 2,467 2,733 3,093 3,387 1,000 1,170 1,410 1,760 1,920 2,150 2,330 7,647 1,940 2,360 3,007 3,307 3,760 4,120 4,460 4,813 2,790 3,415

1:377 1,669 2,126 1,220 1,435 1,745 2,225 1,600 1,885 2,300 2,945 3,245 3,700 4,070 1,696 2,008 2,452 3,144 3,468 3,956 4,360 2,180 2,576 3,156 4,064 4,492 5,148 5,684 6,196 6,744 3,148 3,860

Raio de gira$o

km)

1.02 1.33 1:01 I;32 1 ,oo 1,31 0,98 1.29 0.84 1,45 0,83 I.44 0.62 1,43 0,80 1.41 1,23 I,53 1.22 1.53 I,21 1,51 1.19 1.49 I.18 1.48 1.16 1.47 1.15 1.45 0,86 1.77 0.85 I,76 0,84 1.75 0.82 I,72 0.81 1.71 0.79 1.70 0.78 I,68 1.26 1,87 1,25 1.86 1.24 I,85 1.22 I,83 1.20 I,82 1,19 1.80 1.18 1.79 1.17 1.78 1.15 1.76 I,63 I,94 1.62 1.92

Con z

fkg/m)

0.91 I,09 1.34 I,76 0.91 1,09 1.34 1.76 1,07 1.27 1,578 2.07 2.31 2.69 3,Ol 1.07 I,27 1.58 2,07 2.31 2.69 3.01 1,22 1.46 1,81 2.39 2.67 3.11 3.49 3.86 4.27 I,65 2.05

""a

.,, ,,, ,, ., .,

TABELA8 - Dimensiierparatubosde se@ retangular

Area

(cm2)

3.44 3.85 4,49 5,04 5.58 6.19 6.93 2.17 2,70 3,56 3,98 4.65 5.22 5,78 6.41 7,18 2.34 2.91 3.84 4.30 5.02 5.64 6.25 6.94 7.78 2.22 2.76 3.64 4,07 4.75 5.34 5.92 6,40 7.35 2.82

Momentode in&%

(cm41

a,78 12.47 9.70

11:10 13.80 15;84

12.26 17.53 13.34 19.14 14.51 20.88 15,86 22,90 4.22 10.67 5.14 13.10 6.59 16.96 7.26 18,60 8.49 21.62 9.11 23.97 9.84 26.21

10.71 28.65 11.66 31.51

6.48 12,12 7.94 14.90

10.23 19,32 11.31 21.43 12.95 24,67 14.31 27.39 15.60 29.98 16.98 32.81 18.59 36.14 2.61 13.28 3.17 16.32 4.02 21.15 4,41 23.45 4.99 27.00 5.46 29.95 5.88 32.78 6.22 35.10 6.81 39.48

12.16 20,38

Momenta resistente

(cm3)

4.390 4:850 5,550 6,130 6,670 7,255 7,930 2,558 3,115 3,993 4,400 5,145 5,521 5,994 6,491 7,067 3,240 3,970 5,115 5,655 6,475 7,155 7,800 8,490 9,295 2,088 2,536 3,216 3,528 3,992 4.368 4,704 4,976 5.448 4,864

4,988 5,520 6,336 7,012 7,656 8,352 9,160 3,557 4,367 5,653 6,267 7,207 7,990 8,736 9,550

10,503 4,040 4,967 6,440 7,143 8,223 9,130 9,993

10,937 12,047

3,794 4,663 6,043 6,700 7,714 8,557 9,366

10,029 11,280

5,823

Dimens&

Imml

Espessura (El (mm)

* 50x 40 2.00 50x 40 2.25 50x 40 2.65

l 50x 40 3.00 50x 40 3.35 50x 40 3.75

l 50x 40 4,25 l 60x 33 1.20 l 60x 33 1.50 l 60x 33 2.00

60x 33 2.25 60x 33 2.65

+ 60x 33 3.00 60x 33 3.35 60x 33 3.75

l 60x 33 4.25 60x 40 1,20

l 60x 40 1.50 l 60x 40 2.00

60x 40 2.25 60x 40 2,65

l 60x 40 3.00 60x 40 3.35 60x 40 3,75

l 60x 40 4.25 * 70x 25 1.20 * 70x 25 1,50 * 70x 25 2.00

70x 25 2.25 70x 25 2.65

l 70x 25 3.00 70x 25 3.35 70x 25 3.65

l 70x 25 4,25 l 70x 50 1.20

1.60 1,90 1,59 1.89 1,57 1,88 1,56 1,86 1.55 1,85 1.53 1.84 1,51 1,82 1.39 2.22 1.38 2,20 1,36 2.18 1.36 2.17 1,35 2.16 1.32 2.14 1.30 2.13 1,29 2.11 1.27 2.09 1.66 2.28 1.65 2,26 1.63 2.24 1.62 2.23

1.60 2.22 1.60 2,20 1,58 2,19 1,56 2,17 1.54 2,15 1,08 2.45 1.07 2.43 I,05 2.41 I,04 2.40 1.02 2.38 1,Ol 2,37 l,oo 2.35 0.99 2.34 0.96 2.32 2.08 2.69

(kg/ml

2,70 2,70 3.02 3.02 3.52 3.52 3;96 4.38 4.86 5.44 1,71 2.12 2;79 3,13 3.65 4.10 4.54 5.03 5.64 1.84 2,28 3,Ol 3.37 3.94 4,43 4.91 5.45 6.11 1.74 2,17 2,86 3.20 3.73 4,lQ 4.64 5.03 5.77 2.22

Continua

.,

TABELAa- Dimens& paratuborde se~orretangular

Dimen&

l 70x 50 1.50 3.51 14,95 25.12 5,980 7,177 2.06 l 70x 50 2,00 4,64 19.38 32.71 7.752 9,346 2.04

70x 50 2.25 5.20 21.50 36.37 8,600 10,391 2,03 70x 50 2.85 6.08 24.76 42.03 9,904 12,009 2.02

l 70x 50 3,00 6,84 27,49 46,80 10,996 13,371 2,00 70x 50 3.35 7.59 30.09 51.50 12,036 14,686 1.99 70x 50 3,75 8.44 32.93 56.45 13,172 16,129 1,97 70x 50 4.25 9.48 36.29 62.47 14,516 17,849 1.96 70x 50 4.75 10.50 39,42 68.18 15,768 19,480 1.94

l 70x 50 5.00 11.00 40,92 70.92 16,368 20,263 1.93 l 80x 40 1.50 3.51 10.16 29.90 5,080 7,475 1.70 = 80x 40 2,00 4.64 13.12 38.97 6,560 9,743 1,68

80~~40 2,25 5.20 14.52 43.35 7,260 10,838 1.67 80x 40 2.65 6.08 16.66 50.13 8,330 12,533 1,65

l aox 40 3.00 6.84 18.43 55.85 9,215 13,963 1.64 80x 40 3,35 7.59 20.11 61.38 10,055 15,345 1.63 aox 40 3.75 8.44 21.93 67.46 10,965 16,865 1.61 80x 40 4.25 9.48 24.04 74.72 12,020 18,880 1.59 80x 40 4.75 10.50 26,OU 81.61 13,000 20,403 1.57

* 80x 40 5,00 ll,oo 26,92 84,92 13,460 21,230 1,56 l 90x 30 1.20 2.82 4.90 27.64 3,267 6,142 1,32 l 90x 30 1.50 3.51 5.98 34,09 3,987 7,576 1.31 * 90x 30 2.00 4.64 7.65 44.44 5,100 9,876 1,28

90x 30 2.25 5.20 8.44 49.43 5,627 10,984 1,27 90x 30 2,65 6,08 9.61 57.18 6,407 12,707 1.26

* 90x 30 3.00 6.84 10.57 63.71 7,047 14,158 1,24 90x 30 3.35 7.59 11.47 70.02 7,647 15,560 1,23 90x 30 3.75 8.44 12,42 76.97 8,280 17,104 1.21 90x 30 4.25 9.48 13.50 85,26 9,000 18,947 1,19 90x 30 4.75 10.50 14.47 93.13 9,647 20,696 1,17

* 90x 30 5.00 11.00 14.92 96.92 9,947 21,538 1,16 100x 50 2.25 6,55 29.20 86.42 11,680 17,284 2.11 100x 50 2,65 7.67 33.68 100.31 13,472 20,062 2,09 100x 50 3.00 8.64 37.44 112.12 14,976 22,424 2.08

Espessura (El hd

Momenta de inhcia Moment0 resistente Raio de gira$Zo

hl4) km31 (Cd

2.67 2.65 2.64 2;63 4:77 2.61 5.37 2.60 5.96 2,59 6.62 2.57 7,44 2.55 8.24 2.54 8.64 2.92 2.76 2,90 3.64 2.89 4.08 2.87 4.77 2.86 5.37 2.84 5.96 2.83 6.62 2.81 7.44 2.79 8.24 2,78 8,64 3.12 2.22 3.12 2.76 3.09 3.64 3.08 4.08 3.07 4.77 3.05 5.37 3,M 5.96 3.02 6.62 3.00 7.44 2.98 8.24 2.97 8,64 3.63 5,14 3.62 6.02 3.60 6,78

1 kolml (kg/m) -

2.76 3.64 2.76 3,64 4.08

Continua

. , , , , , , , , ,

. , . , _ , ,

TABELA8 - Dimenties paratubordese&~ retangular

Dimen&

(mm)

100x 50 100x 50 100x 50 100x 50

l 100x 50 100x 50 100x 50 100x 50 100x 50 100x 75 100x 75 100x 75 100x 75 100x 75 100x 75 100x 75 100x 75 100x 75 100x 75 100x 75 100x 75

l 110x 30 l 110x 30

110x 30 110x 30

l 110x 30 110x 30 110x 30 110x 30 110x 30 110x 30 115x 75 115x 75 115x 75

Espessura (El Imm)

3.35 9.60 41.04 123.61 16,416 24,722 2.07 3,59 7.54 3.65 10.42 44.02 133.21 17,608 26,642 2.06 3.58 8.18 4.25 12,03 49.67 151.74 19.868 30,348 2.03 3,55 9;44

4.75 13.35 54.07 166.50 21,628 33,300 2.01 3.53 10.48 5.00 14.00 56.17 173.67 22,468 34.734 2.00 3.52 10.99 5.60 15.55 60.94 190.26 24,376 38,052 1.98 3.50 12.20 6.30 17.31 66.06 208.08 26,424 41,616 1.95 3.47 13.59 7,ll 19.31 71.42 228.47 28,568 45,694 1.92 3.44 15.16 8.00 21,44 76.65 248.73 30,660 49,746 1.89 3,41 16,83 2,25 7,67 72.70 113.30 19,387 22,660 3.08 3.84 6.02 2.65 8.99 84,34 131.71 22,490 26,342 3.06 3.83 7.06 3.00 10.14 94.23 147.41 25,128 29,482 3.05 3.81 7,96 3.35 11,28 103.84 162.74 27,691 32,548 3.03 3.80 8.85 3.75 12.56 114.50 179.81 30,533 35,962 3.02 3.78 9,86 4.25 14.15 127.33 200.48 33,954 40,096 3.00 3,76 11.11 4.75 15.72 139.63 220.42 37,235 44,084 2.98 3.74 12,34 5.00 16.50 145.59 230.13 38,824 46,026 2.97 3.73 12.95 5.60 18.35 159.39 252.71 42,504 50,542 2.94 3.71 14.40 6.30 20.46 174.60 277,83 46,560 55,566 2.92 3.68 16.06 7.11 22.86 191.06 305.30 50,949 61,060 2,89 3.65 17.95 8.00 25.44 207.80 333.59 55,413 66,718 2.86 3.62 19.97 1,50 4.11 7.20 57.12 4,800 10,385 1.32 3.73 3.23 2,00 5.44 9,22 74.70 6,147 13,582 1.30 3.70 4.27 2.25 6,lO 10.17 83.22 6,780 15,131 1.29 3.69 4,79 2.65 7,14 11.60 96.51 7,733 17,547 1.27 3.68 5.60 3,00 8.04 12,77 107,78 8,513 19,596 1,26 3.66 6.31 3.35 8.93 13,86 118.72 9,240 21,585 1.24 3.65 7.01 3.75 9.94 15.02 130.83 10,013 23,787 1,23 3,63 7.80 4.25 11.18 16.34 145.40 10,893 26,436 1.21 3.61 a.77 4.75 12.40 17.54 159.34 11,693 28.97 1 1.19 3.58 9.73 5.00 13,00 18.08 166.08 12,053 30,196 1.18 3,57 10.21 2.25 8.80 108.17 172.18 25,452 29,944 3.51 4.42 6.91 2,65 10.32 125.73 200.49 29,584 34,868 3.50 4,41 a,10 3.00 11.64 140.69 224.73 33,104 39,083 3,48 4.39 9.14

Area Moment0 de inhia Momenta resistente Raio de giraqfo

km2) (cm4) km3) km)

ContinuaGo

(kg/ml

Continua

.,, ,,, ,, ., .

TABELA 8 - Dimen&r para tubosde se& retangular

Dimen&

(mm)

115x 75 115x 75 115x 75 115x 75 115x 75 115x 75 115x 75 115x 75 115x 75 !

Espessura (E) (mm)

3.35 3,75 4,25 4.75 5.00 5.60 6.30 7.11 8.00

t

Area

(cm21

12.95 14,44 l&28 18.10 19.00 21.15 23,61 25.00 27.84 I -

Momenta de in&h

km4)

155.29 248,45 171.54 274.97 191.21 307.22 210.17 338.49 219.40 353.77 240.85 389.48 264.69 429.46 215.73 432.10 234,86 437.48

t

Momenta resistente

(cm31

36,539 43,209 40,362 47,821 44.99 1 53,430 49,452 58,868 51,624 61,625 56,670 67,736 62,280 74,689 57,528 75,147 62,629 82,344

Raio de gira@o

km)

3.46 4,36 3.45 4,36 3,43 4.34 3.41 4.32 3;40 4132 3.37 4,29 3.35 4,26 2.94 4.16 2.90 4.12

(kg/m)

10.17 11.33 12.78 14.21 14.92 16,60 18.54 19.62 21.85

Notas: a) OS va~l,ores desta Tabela foram obtidos por calculo a partir das dimensoes nominais.

b) Para efeito de ciilculo, OS raios dos cantos vivos Go OS seguintes: raio do canto externo = 2,s E e raio do canto interno = 1,5 E.

c) OS padroes assinalados (*) correspondem a tubas facilmente encontrheis no mercado brasileiro.