Our 3004 painted aluminum coil is strengthened (hardened) by cold work only as it does not respond to heat treatment, other than annealing.
3004 aluminum alloy is an alloy in the wrought aluminum-manganese family (3000 or 3xxx series). It is similar to the 3003 alloy, except for the addition of approximately 1%
The anodized surface treatment effect of 3004 aluminium plate is amazing, and it is an ideal choice for the color coated aluminum substrate.