ASTM A333 GR1,GR 3,GR 6-Seamless Pipe for Low-Temperature Service

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ASTM A333 GR1,GR 3,GR 6-Seamless Pipe for Low-Temperature Service

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Hebei Lufeng Piping Equipment Co., Ltd.

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Address: Wuliyao Industrial Zone, Yanshan County, Hebei Province, China

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Product Details

Standard: ASME SA 333 American society of mechanical engineers; ASTM A333M American society for Testing and Materials.
Standard Specification for Seamless and Welded Steel Pipe for Low-Temperature Service
Chemical Composition(%):

Mechanical Properties:

	Grade 1		Grade 3		Grade 4		Grade 6		Grade 7		Grade 8		Grade 9		Grade 10		Grade 11
	psi	MPa	psi	MPa	psi	MPa	psi	MPa	psi	MPa	psi	MPa	psi	MPa	psi	MPa	psi	MPa
Tensile strength min	55 000	380	65 000	450	60 000	415	60 000	415	65 000	450	100 000	690	63 000	435	80 000	550	65 000	450
Yield strength min	30 000	205	35 000	240	35 000	240	35 000	240	35 000	240	75 000	515	46 000	315	65 000	450	35 000	240

Impact Temperature
Grade	Minimum Impact	Test Temperature
Grade	°F	°C
1	-50	-45
3	-150	-100
4	-150	-100
6	-50	-45
7	-100	-75
8	-320	-195
9	-100	-75
10	-75	-60

	Grade 1	Grade 3	Grade 4	Grade 6	Grade 7	Grade 8	Grade 9	Grade 10	Grade 11
Carbon, max	0.3	0.19	0.12	0.3	0.19	0.13	0.2	0.2	0.1
Manganese	0.40–1.06	0.31–0.64	0.50–1.05	0.29–1.06	0.90 max	0.90 max	0.40–1.06	1.15–1.50	0.60 max
Phosphorus, max	0.025	0.025	0.025	0.025	0.025	0.025	0.025	0.035	0.025
Sulfur, max	0.025	0.025	0.025	0.025	0.025	0.025	0.025	0.015	0.025
Silicon	...	0.18–0.37	0.08–0.37	0.10 min	0.13–0.32	0.13–0.32	...	0.10–0.35	0.35 max
Nickel	...	3.18–3.82	0.47–0.98	...	2.03–2.57	8.40–9.60	1.60–2.24	0.25 max	35.0–37.0
Chromium	...	...	0.44–1.01	...	...	...	...	0.15 max	0.50 max
Copper	...	...	0.40–0.75	...	...	...	...	0.15 max	0.50 max
Aluminum	...	...	0.04–0.30	...	...	...	...	0.06 max	...
Vanadium, max	...	...	...	...	...	...	...	0.12	...
Columbium, max	...	...	...	...	...	...	...	0.05	...
Molybdenum, max	...	...	...	...	...	...	...	0.05	0.50 max
Cobalt	...	...	...	...	...	...	...	...	0.50 max