A541 Grade 22 Class 3 - ASTM A 541/A541M-2005(2020)

Grade	A541 Grade 22 Class 3
Corresponding Standard	ASTM A541/A541M-2005(2020) Standard Specification for Quenched and Tempered Carbon and Alloy Steel Forgings for Pressure Vessel Components
Classification	Alloy Steel

A541 Grade 22 Class 3 Chemical Element Composition Content (%)

Component	C ^①	Si	Mn	P	S	Cr	Ni	Mo	V
Minimum Value	0.11	-	0.3	-	-	2	-	0.9	-
Maximum Value	0.15	0.5	0.6	0.015	0.015	2.5	0.25	1.1	0.02

① When vacuum carbon-deoxidation is required for the classes included in Supplementary Requirement S10, the silicon content shall be 0.10 % max.

A541 Grade 22 Class 3 Mechanical Properties

Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Impact Energy Absorption KV2 J
585~760	≥380	≥18	≥45	-18 °C：≥54

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