stainless steel coil 1) Grade: 201, 202, 301,304.etc. 2) Surface finish: 2B, BA,8K,hair line,180# Specifications:1) Round pipes ... 63,76,88.9,102,114,133,141,159,2192)Square pipes - Outside dimensions(mm) : 10x10,12x12,15x15, ... ) Wall thickness: 0.3 - 3.0mm5) Length: 6m (or according to customers' requests) 6) Polishing: 600#,400#, 320#, ... 30%T/T for deposit,70% for balance ASTM 304 stainless steel coil