GB/T 34489
GB/T 34489 (Aluminium alloys extruded profiles and sheets for roofing structure)· GB (China) · 5 materials
| Designation | Material group | |
|---|---|---|
| 5754 | Aluminium | chevron_right |
| 6061 | Aluminium | chevron_right |
| 6063 | Aluminium | chevron_right |
| 6R03 | Aluminium | chevron_right |
| 6R66 | Aluminium | chevron_right |