RDP 57-41
| SERTLİK (HARDNESS) | 40-43 HRC |
| YAPI (MATERIAL) | Pearlitic |
| ÇEKME MUKAVEMETİ (TENSILE STRENGTH) | 450-650 N/mm² |
| EĞME MUKAVEMETİ (BENDING STRENGTH) | 800-1100 N/mm2 |
| KIMYASAL ANALİZ (CHEMICAL ANALYSIS) | C | Si | S | CR | Ni | Mo | Mg |
| 3,30 | 1,50 | Max | 0,50 | 1,50 | 0,20 | 0,03 | |
| 3,70 | 1,90 | 0.001 | 1,00 | 2,30 | 0,50 | 0,06 |
