SA738M Grade D - ASME SA-738/SA-738M-2023

Grade	SA738M Grade D
Corresponding Standard	ASME SA-738/SA-738M-2023 Specification for pressure vessel plates, heat-treated, carbon-manganese-silicon steel, for moderate and lower temperature service
Classification	Alloy Steel

SA738M Grade D Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V	Nb	B	Al	More
t≤40mm	Minimum Value	-	0.15	1	-	-	-	-	-	-	-	-	-	0.02	Nb+V≤0.11
t≤40mm	Maximum Value	0.1	0.5	1.6	0.015	0.006	0.25	0.6	0.35	0.3	0.08	0.05	0.0007	-	Nb+V≤0.11

SA738M Grade D Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
t≤40	585~724	≥485	≥20	-45°C: 27 (Longitudinal) -30°C: 27 (Transverse)

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