Deep blanking material :(single-sided copper and aluminum composite plate) plate number - state T2/8011-o.

Common specification: thickness <=0.6 +-0.02 <=1.0-0.04 width: <=1000 +-1.

Common appearance benchmarks:

Scratch: no depth;

Aluminum : not allowed;

Bare aluminum : not allow ;

Oxidation: not allowed;

Luo pit: allows the smoothing of the pit;

Other: batch defects inconsistent with normal, report to superiors;

Performance benchmark: the tensile strength <=130mpa, the elongation rate >=20%;

Peel strength: folding and breaking without layering, bending;No orange peel or crack;