99.99% Purity Copper Sheet Metal Plate AISI ASTM GB EN DIN JIS Standard

Copper Plate, made of pure copper or copper alloy in various shapes including rods, strips,tubes, foils,ect.,collectively referred to as copper.Copper materials include copper plates, copper rods,copper tubes,copper strips,copper ars,copper materials.1. The surface of hot rolled plate should be clean; Delamination, cracks, peeling, inclusion and green rust are not allowed, but repair is allowed, and the thickness of the plate should not exceed the allowable deviation after repair.The surface of hot rolled plate is allowed to have slight and local scratches, spots, pits, pressed objects, wrinkles, rollermarks and other deviations that do not make the thickness of the plate exceed the allowable deviation.

2. The surface of cold rolled plate should be smooth and clean; Delamination, cracking, peeling, inclusion and green rust are not allowed.The surface of the cold-rolled sheet is allowed to have slight and local scratches, spots, pits, pressed objects, wrinkles, roller marks, oil marks and other deviations that do not make the thickness of the sheet exceed the allowable deviation.