SCM430 - JIS G 4053-2003

Grade	SCM430
Corresponding Standard	JIS G 4053-2003 Alloy steel plate for machinery
Brand/Supplier	Japan -> NSSC
Classification	Alloy Steel

SCM430 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
Minimum Value	0.28	0.15	0.6	-	-	0.9	-	-	0.15
Maximum Value	0.33	0.35	0.9	0.03	0.03	1.2	0.25	0.3	0.3

SCM430 Mechanical Properties

diameter(thickness) d(t) mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
d=25	Quenching + Tempering	≥930	≥785	≥12	≤229

New and Old Grade Replacement List

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

SCM430 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"!