A542 Type E Class 4 - ASTM A 542/A542M-2019

Grade	A542 Type E Class 4
Corresponding Standard	ASTM A542/A542M-2019 Standard Specification for Pressure Vessel Plates, Alloy Steel, Quenched and Tempered, Chromium-Molybdenum, and ChromiumMolybdenum-Vanadium
Classification	Alloy Steel

A542 Type E Class 4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V	Nb
Minimum Value	0.1	-	0.3	-	-	2.75	-	-	0.9	0.2	0.015
Maximum Value	0.15	0.15	0.6	0.025	0.01	3.25	0.25	0.25	1.1	0.3	0.07

A542 Type E Class 4 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
585~760	≥380	≥20

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