Aluminum alloy coil processing Temper, sharing the second article
Aluminum coil H12 work-hardened to 1/4 hard
Aluminum coil H14 work-hardened to 1/2 hard
Aluminum coil H16 work-hardened to 3/4 hard
Aluminum coil H18 work-hardened to 4/4 hard, that is, fully hardened;
Aluminum coil H19 super work-hardened condition. The tensile strength of this material should be more than 10N/mm2 higher than that of the H18 state material;

Aluminum coil H22 is partially annealed to 1/4 hard after work hardening;
Aluminum coil H24 is partially annealed to 1/2 hard after work hardening;
Aluminum coil H26 is partially annealed to 3/4 hard after work hardening;
Aluminum coil H28 is partially annealed to 4/4 hard after work hardening;
Aluminum coil H32 is stabilized to 1/4 hard after work hardening;
Aluminum coil H34 is stabilized to 1/2 hard after work hardening;
Aluminum coil H36 is stabilized to 3/4 hard after work hardening;
Aluminum coil H38 stabilized to 4/4 hard after work hardening;