GB/T 1301
GB/T 1301 (Hollow drill steels for rock drilling)· GB (China) · 9 materials
| Designation | Alternative designation | Material group | |
|---|---|---|---|
| ZK22SiMnCrNi2Mo | Structural and constructional steels | chevron_right | |
| ZK22SiMnNi2CrMo | Structural and constructional steels | chevron_right | |
| ZK23CrNi3Mo | ZK22CrNi3Mo | Structural and constructional steels | chevron_right |
| ZK24Cr3Mo | Structural and constructional steels | chevron_right | |
| ZK35SiMnMoV | Structural and constructional steels | chevron_right | |
| ZK40SiMnCrNiMo | Structural and constructional steels | chevron_right | |
| ZK55SiMnMo | Structural and constructional steels | chevron_right | |
| ZK95CrMo | Structural and constructional steels | chevron_right | |
| ZKT8 | Structural and constructional steels | chevron_right |