ZG42Cr1Mo - JB /T 6402-2018

Grade	ZG42Cr1Mo
Corresponding Standard	JB /T 6402-2018 Heavy low alloy steel castings - Technical specification
Classification	Cast Steel

ZG42Cr1Mo Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni ^①	Cu ^①	Mo	V ^①
Minimum Value	0.38	0.3	0.6	-	-	0.8	-	-	0.2	-
Maximum Value	0.45	0.6	1	0.03	0.03	1.2	0.3	0.25	0.3	0.05

ZG42Cr1Mo Mechanical Properties

form	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
Casting	Normalizing + Tempering	≥569	≥410	≥12	≥20	-	KV2 or KV8: ≥12
Casting	Tempering	690~830	≥510	≥11	-	200~250	KV2 or KV8: ≥15

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