30CrMnSi A24302 - GB /T 3077-2015

30CrMnSi Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
Minimum Value	0.28	0.9	0.8	-	-	0.8	-	-	-
Maximum Value	0.34	1.2	1.1	0.03	0.03	1.1	0.3	0.3	0.1

30CrMnSi Mechanical Properties

diameter d mm	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
d=25	Quenching + Tempering	≥1080	≥885	≥10	≥45	≤229	≥39

Approximate Comparison Table Structural Alloy Steel

30CrMnSi Corresponding Standards(Same grade name, different standards)

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