ASTM A333_gpt steel

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Alloy steel pipe

ASTM A333

1.3 ASTM A333.jpg

ASTM A333: American Society for Testing and Materials
Seamless Steel Pipe for Low-Temperature Service
Application: Oil, Gas and water delivery; Refinery, Boiler and Mechanical equipment manufacturer; structure construction; drilling, ship building and etc.

Chemical Requirements
Grade	Composition, %
	C	Mn	P	S	Si	Cr	Mo	Others
	max	Mn	max	max	Si	Cr	max	Others
1	0.3	0.40–1.06	0.025	0.025	…	...	...	...
3	0.19	0.31–0.64	0.025	0.025	0.18–0.37	…	...	...
4	0.12	0.50–1.05	0.025	0.025	0.08–0.37	0.44–1.01	...	...
6	0.3	0.29–1.06	0.025	0.025	0.10 min	0.30 max	0.12	...
7	0.19	0.90 max	0.025	0.025	0.13–0.32	…	…	...
8	0.13	0.90 max	0.025	0.025	0.13–0.32	…	...	...
9	0.2	0.40–1.06	0.025	0.025	…	…	...	...
10	0.2	1.15–1.50	0.035	0.015	0.10–0.35	0.15 max	0.05	...
11	0.1	0.60 max	0.025	0.025	0.35 max	0.50 max	0.50 max	...

Mechanical Properties
Grade
	1	3	4	6	7	8	9	10	11
Tensile strength, min:
ksi	55	65	60	60	65	100	63	80	65
Mpa	380	450	415	415	450	690	435	550	450
Yield strength, min:
ksi	30	35	35	35	35	75	46	65	35
MPa	205	240	240	240	240	515	315	450	240

Elongation Requirements: As per standard

Available Dimension Range

OD(mm/inch)

Wall thickness (SCH)

STD

100

120

140

160

XXS

21.3 (1/2'')

√

26.7 (3/4'')

√

33.4 (1'')

√

42.2 (1 1/4'')

√

48.3 (1 1/2'')

√

60.3 (2'')

√

73 (2 1/2'')

√

88.9 (3'')

√

101.6 (3 1/2'')

√

114.3 (4'')

√

141.3 (5'')

√

168.3 (6'')

√

219.1 (8'')

√

273 (10'')

√

323.8 (12'')

√

355.6 (14'')

√

406.4 (16'')

√

457 (18'')

√

508 (20'')

√

559 (22'')

√

610 (24'')

√

660 (26'')

√

711 (28'')

√

762 (30'')

√

813 (32'')

√

864 (34'')

√

914 (36'')

√

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