SFVQ 2B - JIS G 3204-1988

Grade	SFVQ 2B
Corresponding Standard	JIS G 3204-1988 Quenched and Tempered Alloy Steel Forgings for Pressure Vessels
Classification	Alloy Steel

SFVQ 2B Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	V
Minimum Value	-	-	0.5	-	-	0.25	0.5	0.55	-
Maximum Value	0.27	0.4	1	0.03	0.03	0.45	1	0.7	0.05

SFVQ 2B Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Impact Energy Absorption KV2 J
620~790	≥450	≥14	≥35	≥47（20℃, Mean value of three test pieces） ≥40（20℃, Individual value）

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