Aluminium Circle/Disc
Detail: Aluminium Circle / wafer for civil pan / pot / kettle cookware etc.
Alloy: 1100, 1200, 1050, 1060, 1070, 3003 etc.
Thickness(mm): 0.1-6.0;
Diameter(mm): 50-1500
Temper: Annealed, Soft, O, elongation: 35% minimum
To guanrantee its non-stick properties and deep drawing properties,
The flatness standard will strictly follow the table below:
|
thickness/mm |
Total unflatness |
Partial unflatness (R> 300mm) |
|
> 0.2~0.5 |
negotiable |
|
|
> 0.5~3.0 |
≤ 0.5% |
≤ 0.4% |
|
> 3.0~6.0 |
≤ 0.4% |
≤ 0.35% |
|
> 6.0~12.0 |
≤ 0.4% |
≤ 0.3% |
|
> 12~50 |
≤ 0.4% |
— — |
|
> 50~150 |
≤ 0.3% |
— — |
|
Note: D is the diameter of circle, R is random chord, d is the wave height |
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