Stainless steel weld wpipes 1.Material:201,202,304,316L,430,etc 2.OD:6-159mm Thickness:0.3-3. ... TO THE CLIENT'S'ORDRE)Specifications1.Material:201,202,304,316L,430,etc 2.OD:6mm-219mm Thickness:0.25mm-3mm ... , hairline, mirror ETC.Material: AISI 201, 202, 304, 304L, 316, 316L and 430Manufacture standard: ASTM A554/A270/A312/A249/A269 ETC ...