... standard: JIS, GB,DIN,ASTM,EN,AISI welded tubes Specificationssupply 409L stainless steel pipes manufacture standard: JIS, GB,DIN,ASTM,EN,AISI welded tubesStainless ... .Packing: Every tube is sleeved in plastic bag individually, and then several tubes are packed by weaving bag, which is seaworthy 409L stainless steel pipes