20Cr2Ni4 A43202 - GB /T 3077-2015

20Cr2Ni4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
Minimum Value	0.17	0.17	0.3	-	-	1.25	3.25	-	-
Maximum Value	0.23	0.37	0.6	0.03	0.03	1.65	3.65	0.3	0.1

20Cr2Ni4 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=15	Double Quenching and Tempering	≥1180	≥1080	≥10	≥45	≤269	≥63

Approximate Comparison Table Structural Alloy Steel

20Cr2Ni4 Corresponding Standards(Same grade name, different standards)

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