42CrMoS4 - ISO 683-18-2014

42CrMoS4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu	Mo
Minimum Value	0.38	0.1	0.6	-	0.02	0.9	-	0.15
Maximum Value	0.45	0.4	0.9	0.025	0.04	1.2	0.4	0.3

42CrMoS4 Mechanical Properties

	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW	Impact Energy Absorption KV2 J
16＜t≤100	S.annealed +peeled (+A +SH)				≤241
5≤t≤10	S.annealed +Cold drawn (+A +C)				≤300
10＜t≤16	S.annealed +Cold drawn (+A +C)				≤290
16＜t≤40	S.annealed +Cold drawn (+A +C)				≤285
40＜t≤100	S.annealed +Cold drawn (+A +C)				≤280
16＜t≤40	Quenched and tempered and peeled (+QT+SH)	1000~1200	≥750	≥11		≥35
40＜t≤100	Quenched and tempered and peeled (+QT+SH)	900~1100	≥650	≥12		≥35
5≤t≤10	Quenched and tempered + Cold drawn (+QT +C)	1000~1200	≥770	≥8
10＜t≤16	Quenched and tempered + Cold drawn (+QT +C)	1000~1200	≥750	≥8
16＜t≤40	Quenched and tempered + Cold drawn (+QT +C)	1000~1200	≥720	≥9
40＜t≤100	Quenched and tempered + Cold drawn (+QT +C)	900~1100	≥650	≥10

1 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

2 Approximate Comparison Table

International Organization for Standardization	European Standard
ISO	EN	Numerical Grade
42CrMoS4	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"!