2024-08-08
The Chinese GB/T standard differs from international standards, with more direct naming:
- **1A99**: Pure aluminum, suitable for electrical conductors and aluminum foil.
- **2A12**: Equivalent to the international standard 2024, widely used in aerospace.
- **3A21**: Corresponds to the international standard 3003, used in construction and packaging materials.
- **5A02**: Equivalent to the international standard 5052, commonly used in highly corrosion-resistant environments.
- **7A04**: Similar to the international standard 7075, used in aerospace and military fields.