Marine Pipe >> Seamless Steel Pipe >> Alloy Steel Pipe >> ASTM A333/SA333 seamless alloy steel pipe

Product Name:	ASTM A333/SA333 seamless alloy steel pipe
Application:	For -45C~ -195C low-temperature ship pipe system, heat exchanger tubes
Product NO:		NPS(DN)		wall thickness(OVER)		wall thickness(UNDER)
		inch	mm	inch	mm	inch	mm
MFVE407-ASTM01		1/8 to 1-1/2	6-40	1/64 (0.015)	0.4	1/64 (0.015)	0.4
MFVE407-ASTM02		1-1/2 to 4	40-100	1/32 (0.031)	0.8	1/32 (0.031)	0.8
MFVE407-ASTM03		4 to 8	100-200	1/16 (0.062)	1.6	1/32 (0.031)	0.8
MFVE407-ASTM04		8 to 12	200-300	3/32 (0.093)	2.4	1/32 (0.031)	0.8
MFVE407-ASTM05		over 12	over 300	±1％ of the specified outside diameter
Strike temperature condition
Crade	The lowest temperature for strike test
	F				C
Grade 1	-50				-45
Grade 3	-150				-100
Grade 4	-150				-100
Grade 6	-50				-45
Grade 7	-100				-75
Grade 8	-320				-195
Grade 9	-100				-75
Grade 10	-75				-60
Mechanical Properties
Standard	Grade	Tensile stren(Mpa)	Yield Point(Mpa)		Elongation(％)
					Y		X
ASTM A333	Grade 1	≥380	≥205		≥35		≥25
	Grade 3	≥450	≥240		≥30		≥20
	Grade 4	≥415	≥240		≥30		≥16.5
	Grade 6	≥415	≥240		≥30		≥16.5
	Grade 7	≥450	≥240		≥30		≥22
	Grade 8	≥690	≥515		≥22		–
	Grade 9	≥435	≥315		≥28		–
	Grade 10	≥550	≥450		≥22		–
	Grade 11	≥450	≥240		≥18		–
Chemical Composition(％)
Grade	Chemical Composition
	C	Si	Mn	P	S	Cr	Ni	Cu	Al
Grade 1	≤0.30		0.40～1.06	≤0.025	≤0.025
Grade 3	≤0.19	0.18～0.37	0.31～0.64	≤0.025	≤0.025		3.18～3.82
Grade 4	≤0.12	0.18～0.37	0.50～1.05	≤0.025	≤0.025	0.44～1.01	0.47～0.98	0.40～0.75	0.04～0.30
Grade 6	≤0.30	≥0.10	0.29～1.06	≤0.025	≤0.025
Grade 7	≤0.19	0.13～0.32	≤0.90	≤0.025	≤0.025		2.03～2.57
Grade 8	≤0.13	0.13～0.32	≤0.90	≤0.025	≤0.025		8.40～9.60
Grade 9	≤0.20		0.40～1.06	≤0.025	≤0.025		1.60～2.24	0.75～1.25
Grade 10	≤0.20	0.10～0.35	1.15～1.50	≤0.03	≤0.015	≤0.15	≤0.25	≤0.015	≤0.06
Grade 11	≤0.10	≤0.35	≤0.6	≤0.025	≤0.025	≤0.50	35.0～37.0

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