GB/T 7659
GB/T 7659 (Steel castings for welding structures)· GB (Chine) · 11 matériaux
| Désignation | Groupe de matériaux | |
|---|---|---|
| ZG200-400H | Aciers moulés | chevron_right |
| ZG230-450H | Aciers moulés | chevron_right |
| ZG270-480H | Aciers moulés | chevron_right |
| ZG275-485H | Aciers moulés | chevron_right |
| ZG300-500H | Aciers moulés | chevron_right |
| ZG340-550H | Aciers moulés | chevron_right |
| ZGH200-380 | Aciers moulés | chevron_right |
| ZGH240-450 | Aciers moulés | chevron_right |
| ZGH270-480 | Aciers moulés | chevron_right |
| ZGH300-500 | Aciers moulés | chevron_right |
| ZGH340-550 | Aciers moulés | chevron_right |