ALLOY STEEL FOR CONSTRUCTION
| Mark | Main applications | Werk Nº | Norm DIN | Euronorm | Profile | Delivery Status | C | Si | Mn | Cr | Mo | Ni | Others | Hardness HB30 | Re MPa | Rm MPa | Stretching | Datasheet |
| CO 38 | Different gears. Shafts and axle shafts. Bolts, bushings,... | 1.7225 | 42CrMo4 | 42CrMo4 |   |
Treated | 0,38-0,45 | ≤ 0,40 | 0,60-0,90 | 0,90-1,20 | 0,15-0,30 | - | P e S ≤ 0,035 | ≤ 225 | ≥ 500 | 750-1300 | ≥ 10 |  |
| CNO 40 | Different gears. Worms, shafts and axle shafts. Bolts, bu... | 1.6582 | 34CrNiMo6 | 34CrNiMo6 | |
Treated | 0,30-0,38 | ≤ 0,40 | 0,50-0,80 | 1,30-1,70 | 0,15-0,30 | 1,30-1,70 | P e S ≤ 0, 035 | ≤ 248 | ≥ 700 | 900-1400 | ≥ 9 | |
| CNV 4 | Different gears. Shafts and axle shafts, machines bodies.... | 1.5864 | 35NiCr18 | 35NiCr18 | |
Annealed | 0,30-0,40 | 0,15-0,35 | 0,40-0,80 | 1,10-1,50 | - | 4,25-4,75 | P e S ≤ 0,035 | ≥ 265 | ≥ 885 | 1080-1470 | ≥ 7 | |
| Raex B 27* | This steel can be used for different types of welded cons... | 1.5529 | 27MnB5 | 27MnB5 |  |
Natural | 0,25-0,30 | ≤ 0,40 | 1,10-1,30 | ≤ 0,50 | - | - | P e S ≤ 0,025 B = 0,0008-0,0050 | - | - | - | - | |
* Through consultation
