SNC415 SNC21 - JIS G 4102-1979

SNC415 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	0.12	0.15	0.35	-	-	0.2	2	-
Maximum Value	0.18	0.35	0.65	0.03	0.03	0.5	2.5	0.3

SNC415 Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
Double Quenching and Tempering	≥785	≥17	≥45	235~341	≥88

New and Old Grade Replacement List

Approximate Comparison Table Structural Alloy Steel

SNC415 Corresponding Standards(Same grade name, different standards)

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