4130 - ASME SA-513-2023

Grade	4130
Corresponding Standard	ASME SA-513-2023 Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing
Classification	Alloy Steel

4130 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo
Minimum Value	0.28	0.15	0.4	-	-	0.8	0.15
Maximum Value	0.33	0.35	0.6	0.035	0.04	1.1	0.25

4130 Mechanical Properties

condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
As-Weld Tubing	≥496	≥379	≥10	RB ≥80
Nomalized Tubing	≥483	≥345	≥20	RB ≤100
Drawn Over a Mandrel	≥655	≥586	≥5	RB ≥90
DOM Stress-Relieved Tubing	≥621	≥552	≥10	RB ≥87

1 Approximate Comparison Table Structural Alloy Steel

2 Approximate Comparison Table Structural Alloy Steel

3 Approximate Comparison Table Structural Alloy Steel

China	Japan	United States	International Organization for Standardization	Germany	France	European Standard		Russia	Sweden	United Kingdom
GB	JIS	SAE	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	GOST	SS	BS EN/BS
30CrMo	SCM420 SCM430	4130	25CrMo4	25CrMo4	25CD4	25CrMo4	1.7218	20KHM 30KHM 30KHMA	2225	708A25 708M25 CFS10

4130 Corresponding Standards(Same grade name, different standards)

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