... steel pipes manufacture standard: JIS, GB,DIN,ASTM,EN,AISI welded tubes Stainless steel pipesManufacture Standard:JIS, GB, DIN, ASTM, EN, ... AISIwelded tubes,Thickness:0.9mmLength:6mOutside path:31.8mmFinish: 2B (Mill Finish), ... tube is sleeved in plastic bag individually, and then several tubes are packed by weaving bag, which is seaworthy 409L ...