Yuqori sifatli dumaloq tayoqlar
| Chelik darajasi | Foydalanish | Rokveellning qattiqligi | Standartni amalga oshirish |
| 45 (SAE1045, S45C/S48C) | 8.8-sinf uchun | HRC28-32 | GB/T 699 |
| 40Cr (SAE5140, SCr440) | 10.9-sinf uchun | HRC32-39 | GB/T 3077 |
| 35CrMo (SAE4135, SCM432/SCRRM3) | 12.9-sinf uchun | HRC39-42 | GB/T 3077 |
| 42CrMo (SAE4140, SCM440) | 12.9-sinf uchun | HRC39-42 | GB/T 3077 |
Materialni og'irligi va uzunligi bo'yicha kesish
