A517 Grade H - ASTM A517/A517M-2017(R2023) - H2ABC

中文版

Grade	A517 Grade H
Corresponding Standard	ASTM A517/A517M-2017(R2023) Pressure Vessel Plates, Alloy Steel, High-Strength, Quenched and Tempered
Classification	Alloy Steel

A517 Grade H Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S	Cr	Ni	Mo	Ti	V	B
熔炼	Minimum Value	0.12	0.15	0.95	-	-	0.4	0.3	0.2	-	0.03	0.0005
熔炼	Maximum Value	0.21	0.35	1.3	0.025	0.025	0.65	0.7	0.3	0.1	0.08	-

	Component	C	Si	Mn	P	S	Cr	Ni	Mo	Ti	V	B
成品	Minimum Value	0.1	0.13	0.87	-	-	0.36	0.27	0.17	-	0.02	0.0005
成品	Maximum Value	0.23	0.37	1.41	0.025	0.025	0.69	0.73	0.33	0.11	0.09	-

A517 Grade H Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %
t≤65	795~930	≥690	L0=50mm: ≥16	≥35 (Rectangular) ≥45 (Circular)
65＜t≤150	725~930	≥620	L0=50mm: ≥14	≥45 (Circular)

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