GB/T 3098.26
GB/T 3098.26 (Mechanical properties of fasteners - Flat washers)· GB (China) · 5 materials
| Designation | Material group | |
|---|---|---|
| Class 100HV | Structural and constructional steels | chevron_right |
| Class 140HV | Structural and constructional steels | chevron_right |
| Class 200HV | Structural and constructional steels | chevron_right |
| Class 300HV | Structural and constructional steels | chevron_right |
| Class 380HV | Structural and constructional steels | chevron_right |