GB/T 3098.22
GB/T 3098.22 (Mechanical properties of fasteners made of the fine grain non-heat treatment steel. Bolts,screws and studs)· GB (China) · 3 materials
| Designation | Material group | |
|---|---|---|
| MFT10 | Structural and constructional steels | chevron_right |
| MFT8 | Structural and constructional steels | chevron_right |
| MFT9 | Structural and constructional steels | chevron_right |