NF A 35-557
NF A 35-557 (Iron and steel. Heat treatable steels for externally threaded, high performance fasteners for engineering purposes)· AFNOR NF (France) · 19 materials
| Designation | Material group | |
|---|---|---|
| 20 MB 5 | Structural and constructional steels | chevron_right |
| 21 B 3 | Structural and constructional steels | chevron_right |
| 25 CD 4 | Structural and constructional steels | chevron_right |
| 30 CD 4 | Structural and constructional steels | chevron_right |
| 30 CND 8 | Structural and constructional steels | chevron_right |
| 30 NC 11 | Structural and constructional steels | chevron_right |
| 32 C 4 | Structural and constructional steels | chevron_right |
| 34 CD 4 | Structural and constructional steels | chevron_right |
| 35 NCD 16 | Structural and constructional steels | chevron_right |
| 38 B 3 | Structural and constructional steels | chevron_right |
| 38 C 2 | Structural and constructional steels | chevron_right |
| 38 C 4 | Structural and constructional steels | chevron_right |
| 38 CB 1 | Structural and constructional steels | chevron_right |
| 38 CD 4 | Structural and constructional steels | chevron_right |
| 38 MB 5 | Structural and constructional steels | chevron_right |
| 42 C 2 | Structural and constructional steels | chevron_right |
| 42 C 4 | Structural and constructional steels | chevron_right |
| 42 CD 4 | Structural and constructional steels | chevron_right |
| XC 38 H 2 | Structural and constructional steels | chevron_right |