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AS1450

Date:2022-11-23View:236Tags:SSAW steel pipe,LSAW steel pipe,Epoxy pipe

AS1074 Standard Specification for Steel tubes for mechanical purposes. This Standard specifies requirements for   the production and supply of carbon and carbon-manganese steel tubes of round, square, rectangular or other non-circular cross-section produced by either cold-forming or hot-forming, and intended for use in mechanical applications.


Chemical Composition

Grade

Type of analisis

C

Si

Mn

P

S

Carbon
equivalent

C200 abd H200

cast

0.15



0.05

0.05

0.29

product

0.19



0.06

0.06


C250 and H250

cast

0.25

0.40


0.04

0.04

0.44

product

0.29

0.45


0.05

0.05


C350 and H350

cast

0.22

0.50

1.60

0.04

0.04

0.49

product

0.26

0.55

1.70

0.05

0.05


C450

cast

0.25

0.40


0.04

0.04

0.44

product

0.29

0.45


0.05

0.05



Mechanical Properties

Grade

Minimum yield
strength,Mpa

Minimum tensile
 strength,Mpa

Minimum elongation as a proportion of
gauge length

Circular tube

Non-circular tube

C200 abd H200

200

320

24

20

C250 and H250

250

350

22

18

C350 and H350

350

450

20

16

C450

450

500



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