Ordinary Steels   Chrome tempering steels
St. 37-2 1.0038   34 Cr 4 1.7033
St. 50-2 1.0050   41 Cr 4 1.7035
St. 60-2 1.0060    
St. 70-2 1.0070   Chrome-molybdenum tempering steels
St. 52-3 1.0570   25 Cr Mo 4 1.7218
    34 Cr Mo 4 1.7220
Unalloyed High Grade Steels   42 Cr Mo 4 1.7225
C 15 1.0401   50 Cr Mo 4 1.7228
C 22.3 1.0427   30 Cr Mo V 9 1.7707
C 22.8 1.0460    
C 35 1.0501   Chrome-nickel tempering steels  
C 45 1.0503   36 Ni Cr 6 1.5710
C 60 1.0601   31 Ni Cr 14 1.5755
    35 Ni Cr 18 1.5864
Unalloyed Special Steels    
Ck 10 1.1121   Chrome-nickel-molybdenum
Ck 15 1.1141   tempering steels
Ck 22 1.1151   55 Ni Cr Mo V 6 1.2713
Ck 35 1.1181   36 Cr Ni Mo 4 1.6511
Ck 45 1.1191   30 Cr Ni Mo 8 1.6580
Cf 45 1.1193   34 Cr Ni Mo 6 1.6582
Ck 53 1.1210    
Cf 53 1.1213   Nitriding steels
Ck 60 1.1221   34 Cr Al 6 1.8504
    31 Cr Mo V 9 1.8519
Alloyed Hardened Steels   34 Cr Al Ni 7 1.8550
14 Ni Cr 18 1.5860    
15 Cr Ni 6 = ZF 1 1.5919   High temperature steels
18 Cr Ni 8 = ZF 8 1.5920   13 Cr Mo 44 1.7335
17 Cr Ni Mo 6 = ZF1A 1.6587   10 Cr Mo 9 10 1.7380
16 Mn Cr 5 1.7131    
20 Mn Cr 5 1.7147   Rust and acid-proof steels
20 Mo Cr 4 1.7321   X 20 Cr 13 1.4021
    X 20 Cr Mo 13 1.4120
Manganese, Silicomanganese and   X 17 Cr Ni 16-2 1.4057
Manganese-vanadium tempering steels   X 5 Cr Ni 18 10 1.4301
60 Mn Si 4 1.2826   X 8 Cr Ni S 18-9 1.4305
90 Mn Cr V 8 1.2842   X 2 Cr Ni Mo 17 132 1.4404
38 Mn Si 4 1.5120   X 6 Cr Ni Ti 18 10 1.4541
46 Mn Si 4 1.5121   X 6 Cr Ni Mo Ti 17 122 1.4571
37 Mn Si 5 1.5122   X 15 Cr Ni Si 20 12 1.4828
     
Chrome-vanadium tempering steels   Ball bearing steels
50 Cr V 4 1.8159   100 Cr 6 1.3505