NF M 81-636
NF M 81-636 (Mining equipment. High tensile steel chains round link for chain conveyors and coal plough. Specifications. Acceptance testing)· AFNOR NF (France) · 15 materials
| Designation | Material group | |
|---|---|---|
| 20 M 5 | Structural and constructional steels | chevron_right |
| 20 NC 6 | Structural and constructional steels | chevron_right |
| 20 NCD 2 | Structural and constructional steels | chevron_right |
| 21 B 3 | Structural and constructional steels | chevron_right |
| 22 NCD 2 | Structural and constructional steels | chevron_right |
| 23 D 5 | Structural and constructional steels | chevron_right |
| 23 MNCD 5 | Structural and constructional steels | chevron_right |
| 23 NCDB 2 | Structural and constructional steels | chevron_right |
| 25 MNCD 6 | Structural and constructional steels | chevron_right |
| 25 MNCDV 5 | Structural and constructional steels | chevron_right |
| 25 MNCDV 6 | Structural and constructional steels | chevron_right |
| 25 MNDC 6 | Structural and constructional steels | chevron_right |
| 25 MS 5 | Structural and constructional steels | chevron_right |
| XC 18 | Structural and constructional steels | chevron_right |
| XC 25 | Structural and constructional steels | chevron_right |