UNE EN 20898-1
UNE EN 20898-1 (Mechanical properties of fasteners - Part 1: Bolts, screws and studs)· UNE (Spain) · 10 materials
| Designation | Material group | |
|---|---|---|
| Class 10.9 | Structural and constructional steels | chevron_right |
| Class 12.9 | Structural and constructional steels | chevron_right |
| Class 3.6 | Structural and constructional steels | chevron_right |
| Class 4.6 | Structural and constructional steels | chevron_right |
| Class 4.8 | Structural and constructional steels | chevron_right |
| Class 5.6 | Structural and constructional steels | chevron_right |
| Class 5.8 | Structural and constructional steels | chevron_right |
| Class 6.8 | Structural and constructional steels | chevron_right |
| Class 8.8 | Structural and constructional steels | chevron_right |
| Class 9.8 | Structural and constructional steels | chevron_right |