aluminum disc

 Standard Specification: GB/T 3880

Alloy and Temper
1xxx:1050, 1060, 1070, 1100O, H14, H24
3xxx:3003O, H12, H14, H22, H24
5xxx:5052O, H22, H24, H32, H34
6xxx:6061O, T4

 Size Range

Range0.5 ~ 4.0mm150 ~ 1000mm
  • *Note / the diameter to be a multiple of 5mm due to the limit of die.

 Diameter Tolerance

Nominal DiameterTolerance
Multiple of 5mm+/- 0.5mm
Non-multiple of 5mm+/- 3.0mm
  • Surface Protection: With PE/PVC coating on main side (if required)

 Temper Designation

H12Strain Hardened, 1/4 Hard
H14Strain Hardened, 1/2 Hard
H22Strain Hardened and Partially Annealed, 1/4 Hard
H24Strain Hardened and Partially Annealed, 1/2 Hard
H32Strain Hardened and Stabilized, 1/4 Hard
H34Strain Hardened and Stabilized, 1/2 Hard
T4Solution heat-treated and naturally aged