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AS1163

Date:2022-11-23View:248Tags:Square steel tube,Stainless steel pipe,HFW steel pipe

AS1074 Standard Specification for Cold-formed structural steel hollow sections. This Standard specifies requirements for  the production and supply of cold-formed,electric resistance-welded, steel hollow sections used for structural purposes.


Chemical Composition

Grades

Chemical composition % max

C

Si

Mn

P

S

Cr

Mo

Al

Ti

C250,
C250LO

0.12

0.05

0.50

0.03

0.03

0.15

0.10

0.10

0.04

C350,
C350LO

0.20

0.25

1.60

0.03

0.03

0.30

0.10

0.10

0.04

C450,
C450LO

0.20

0.25

1.70

0.03

0.03

0.30

0.35

0.10

0.04


Mechanical Properties

Grade

Minimum
yield
strength

Minimum
tensile
strength

Minimum elongation

Mpa

Mpa

Circular hollow sections

Rectangular hollow sections

≤15

>15  ≤30

>30

≤15

>15  ≤30

>30

C250,
C250LO

250

320

18

20

22

14

16

18

C350,
C350LO

350

430

16

18

20

12

14

16

C450,
C450LO

450

500

12

14

16

10

12

14

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