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;
