Specification Grade 201,202 Thickness Cold rolled:0.2-3.0mm Hot rolled:3.0-60mm Length As customer’s requirement Surface Finish 2B,2D,BA,NO4, Hair Line,6K, etc Manufacture Technology Cold rolled/ Hot rolled Material DDQ, High Copper, Half Copper or Low Copper Material Standard JIS, ASTM, AISI, GB, DIN, EN, etc we usually use ASTM and GB Standard Surface Treatment Name Feature Specification 2B Bright After cold rolling ,by heat treatment ,pickling or other equivalent treatment and lastly by cold rolling to given appropriate luster. BA Polishing ,mirror Processed with bright heat treatment after cold rolling Hairline Line like hair Hair grain grinding by appropriate particle size of material Quality guarantee