Quenched and tempered alloyed steel 42CrMo4

Annealed.

Quenched and tempered.

EN 10083-3

Very suitable for induction hardening (approximate hardness of 56 HRC).

Good machining in quenched and tempered condition.

Its most common applications are for high-strength bolts, gears, crankshafts, connection rods, sleeves, shafts for machinery and engines.

	C	Mn	Si	P	S	Cr	Mo
Min.	0,38	0,60				0,90	0,15
Max.	0,45	0,90	0,40	0,025	0,035	1,20	0,30

Annealed ºC	Quenched ºC	Tempered ºC
680-720	820-860 Oil	540-680

Dimensions	Re (N/mm²)	Rm (N/mm²)	A (%)	Z (%)	KV (J)	Guidance hardness
Mm.	Min.	Min.	Max.	Min.	Min.	Min.	HB
	≤ 16	900	1100	1300	10	40	–	325-380
> 16	≤ 40	750	1000	1200	11	45	35	294-353
> 40	≤ 100	650	900	1100	12	50	35	269-326
> 100	≤ 160	550	800	950	13	50	35	238-282
> 160	≤ 250	500	750	900	14	55	35	220-269
> 250		On request

EN	DIN	Nº Stand	UNE	STAS	AFNOR	BS	UNI	AISI/SAE	GOST
42CrMo4	42CrMo4	1.7225	F1252	42MoCr11q	42CD4	708M40	42CrMo4	4140	42XM 38XM

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