ZG42CrMo - JB /ZQ 4297-1986

ZG42CrMo Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V
Minimum Value	0.38	0.3	0.6	-	-	0.8	-	-	0.2	-
Maximum Value	0.45	0.6	1	0.025	0.025	1.2	0.3	0.25	0.3	0.05

ZG42CrMo Mechanical Properties

sectional dimension	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
~30	Tempering	740~880	≥540	≥12	-	220~260	DVM ≥27
30~100	Tempering	690~830	≥490	≥11	-	200~250	≥21
100~150	Tempering	690~830	≥450	≥10	-	200~250	ISO-V ≥16
150~250	Tempering	650~800	≥400	≥10	-	195~240	≥12
250~400	Tempering	650~800	≥350	≥8	-	195~240	≥9.6

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!