40XM / 42CrMo4 / 1.7225

Apvalus strypai

nuo Ø20mm iki Ø800mm

Lakštinis plienas

storis nuo 6mm iki 250mm

Juostos ir kvadratai

plotis nuo 6mm iki 1000mm
storis ≥300mm

Description:

Toughening steel; weldable and easily machinable

Application:

for machine components with very high strength and ductility, parts exposed to changing loads such as: axles, crankshafts, gear wheels, discs, rotors, levers, pushers

Chemical composition [%]

C	Mn	Si	P	S	Cr	Ni	Mo	W	V	Co	Cu
0,38-0,45	0,4-0,7	0,17-0,37	max 0,035	max 0,035	0,8-1,2	max 0,3	0,15-0,25	max 0,2	max 0,05	–	max 0,25

Equivalents

PN	W. nr	EN	AISI	Russia (GOST)	Other
40HM	1.7225	42CrMo4	4140	38ChM	15142

Processes

welding	YES
forging	YES
rolling	YES
nitriding	YES
hardening	YES	temp. 820 – 860 [°C]
tempering	YES	temp. 540 – 680 [°C]

Hardness

after toughening	60 HRC
after softening	240 HB