Grade D - ASTM A139/A139M-2022

Grade	Grade D
Corresponding Standard	ASTM A139/A139M-2022 Electric-Fusion (Arc)-Welded Steel Pipe (NPS 4 and Over)
Classification	Carbon Steel

Grade D Chemical Element Composition Content (%)

Component	C	Mn	P	S
Minimum Value	-	-	-	-
Maximum Value	0.3	1.3	0.035	0.035

Grade D Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
≥415	≥315	≥23

Approximate Comparison Table Carbon Structural Steel and Engineering Steel

China	Japan	United States	International Organization for Standardization	Germany	France	European Standard		Russia	Sweden	United Kingdom
GB	JIS	ASTM	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	GOST	SS	BS EN/BS
Q235A Q235B Q235D	SM400A SS400	1015 A283C GradeC GradeD SSGrade33	E235B Fe360B	RSt37-2 St37-2	E24-2	S235JR Fe360B① Fe360BFN① S235JRG2①	1.0038(dubl)	St2ps St2sp St3ps St3sp	1311 1312	40A 40B

GradeD Corresponding Standards(Same grade name, different standards)

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