Quality42CrMo4
CategorySpecial steel, carbon steel
Standard ref.
EN 10083
Werkstoff nr.1.7225

Description

42CrMo4 is the most used among tempered steel thanks to its great hardenability, good strenght, forgeability and workability to the tools machinery. It is normally supplied in hot rolled, peeled, forged and turned bars. It is used to produce gears, axles and tie rod.

Chemical composition 42CrMo4 (%)

C Mn P SCr
SiMo
minmaxminmaxmaxmaxminmaxmaxminmax
0,380,450,600,900,0250,0350,901,200,400,150,30

Mechanical characteristicse 42CrMo4

Hot rolled normalized
of the specimen in mm)
≤ 16> 16 ≤ 40> 40≤ 100> 100 ≤ 160> 160 ≤ 250
Yield Limit, Rp0,2 (MPa) min900750650550500
Tensile Strength
R
m (MPa)
min11001000900800750
max130012001100950900
Elongation A (%) min1011121314
Resilience Kv (J) min35353535
Hardness HBmin
max

Matches table 42CrMo4

Italiy (UNI)
Europe (EN)
Germany (DIN)
France (AFNOR)
United Kingdom (BS)
USA (AISI/SAE)
42CrMo442CrMo442CrMo442CD4708M40A 829 4140