SA612 SA612M - ASME SA-612/SA-612M-2023

Grade	SA612
Other Names
Corresponding Standard	ASME SA-612/SA-612M-2023 Specification for Pressure Vessel Plates, Carbon Steel, High Strength, for Moderate and Lower Temperature Service
Classification	Carbon Steel

SA612 Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S	Cr ^*	Ni ^*	Cu ^*	Mo ^*	V ^*
熔炼	Minimum Value	-	0.15	1	-	-	-	-	-	-	-
熔炼	Maximum Value	0.25	0.5	1.5	0.035	0.025	0.25	0.25	0.35	0.08	0.08

	Component	C	Si	Mn	P	S	Cr ^*	Ni ^*	Cu ^*	Mo ^*	V ^*
成品	Minimum Value	-	0.13	0.92	-	-	-	-	-	-	-
成品	Maximum Value	0.29	0.55	1.62	0.035	0.025	0.29	0.28	0.35	0.09	0.09

SA612 Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
t≤12.5	570~725	≥345	L0=200mm: ≥16 L0=50mm: ≥22
12.5＜t≤25	560~695	≥345	L0=200mm: ≥16 L0=50mm: ≥22

Approximate Comparison Table Steel Plate for Boilers and Pressure Vessels

China	United States	International Organization for Standardization	European Standard
GB	ASTM	ISO	EN
Q420R GB/T 713.2-2023	SA612 SA737 Grade C ASME Ⅱ-A-2021	P420NH P420NL1 ISO 9328-2018	P420NH P420NL1 EN 10028-2017

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!