42CrMoS4 1.7227 - DIN 17200-1987

42CrMoS4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo
Minimum Value	0.38	-	0.6	-	0.02	0.9	0.15
Maximum Value	0.45	0.4	0.9	0.035	0.035	1.2	0.3

42CrMoS4 Mechanical Properties

condition	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
Steel; All Sizes	Shearable condition (C)					≤255
Steel; All Sizes	Softening Annealing (G)					≤241
Steel; d≤16	Quenching and Tempering (V)	1100~1300	≥900	≥10	≥40		ISO-V ≥30
Steel; 16<d≤40	Quenching and Tempering (V)	1000~1200	≥750	≥11	≥45		≥35
Steel; 40<d≤100	Quenching and Tempering (V)	900~1100	≥650	≥12	≥50		≥35
Steel; 100<d≤160	Quenching and Tempering (V)	800~950	≥550	≥13	≥50		≥35
Steel; 160<d≤250	Quenching and Tempering (V)	750~900	≥500	≥14	≥55		≥35

Approximate Comparison Table

United States	International Organization for Standardization	Germany	France	European Standard
ASTM	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade
4140	42CrMoS4	42CrMoS4	42CD4u	42CrMoS4	1.7227

42CrMoS4 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"!