SCM445 SCM5 - JIS G 4105-1979

SCM445 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
Minimum Value	0.43	0.15	0.6	-	-	0.9	-	-	0.15
Maximum Value	0.48	0.35	0.85	0.03	0.03	1.2	0.25	0.3	0.3

SCM445 Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
Quenching + Tempering	≥1030	≥883	≥12	≥40	302~363	≥39

Approximate Comparison Table structural alloy steel

China	Japan	United States	International Organization for Standardization	Germany		European Standard		United Kingdom
GB	JIS	ASTM	ISO	W-Nr.	L-Nr.	EN	Numerical Grade	BS EN/BS
50CrMo	SCM445	4150	50CrMo4	50CrMo4	1.7228	50CrMo4	1.7228	708M40 708M50

SCM445 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"!