SCr445 SCr 5 - JIS G 4104-1979

SCr445 Chemical Element Composition Content (%)

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

SCr445 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	≥980.7	≥834	≥12	≥40	285~352	≥49

New and Old Grade Replacement List

1 Approximate Comparison Table structural alloy steel

2 Approximate Comparison Table structural alloy steel

SCr445 Corresponding Standards(Same grade name, different standards)

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