42CrMo - JB /T 6396-2006

Grade	42CrMo
Corresponding Standard	JB /T 6396-2006 Specification for the heavy alloy structural steel forings
Classification	Alloy Steel

42CrMo Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
Minimum Value	0.38	0.17	0.5	-	-	0.9	-	-	0.15
Maximum Value	0.45	0.37	0.8	0.035	0.035	1.2	0.3	0.2	0.3

42CrMo 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
≤100	Tempering	900~1100	≥650	≥12	≥50	269~321	≥40
101~160	Tempering	800~950	≥550	≥13	≥50	241~302	≥40
161~250	Tempering	750~900	≥500	≥14	≥50	225~269	≥40
251~500	Tempering	690~840	≥460	≥15	-	207~255	≥38
501~750	Tempering	590~740	≥390	≥16	-	176~241	≥38

42CrMo 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"!