Indicative chemical composition
UNI
DIN
W. Nr.
C
Mn
Ni
Cr
Mo
0.20
0.70
--
C20
(Ck22)
1151
0.30
C30
(Ck35)
1181
0.40
C40
(Ck40)
1191
0.50
C50
(Ck53)
1210
0.60
C60
(Ck60)
1221
1.00
40CrMo4
(42CrMo4)
7225
0.38
0.90
0.80
39NiCrMo3
(36CrNiMo4)
6511
1.75
0.25
40NiCrMo7
(40NiCrMo6)
6565
2.95
0.45
30NiCrMo12
Type
Status
Availability
C20 ÷ C60 40CrMo4 - 39NiCrMo3 40NiCrMo7 - 30NiCrMo12
Natural, annealed, Hardened and tempered Hardened & tempered and stabilized
The whole set is not ready (*)
(*)
Available within 7 days from the order date thanks to conventions agreed with the most famous European Steelworks.
It is possible to produce, for the whole steel set, forged items according to drawings