SNC631 SNC2 - JIS G 4102-1979

SNC631 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	0.27	0.15	0.35	-	-	0.6	2.5	-
Maximum Value	0.35	0.35	0.65	0.03	0.03	1	3	0.3

SNC631 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	≥834	≥686	≥18	≥50	248~302	≥118

New and Old Grade Replacement List

Approximate Comparison Table Structural Alloy Steel

SNC631 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"!