... standard: JIS, GB,DIN,ASTM,EN,AISI welded tubes 201/202/304/430/409L/316L Steel TubesManufacture Standard:JIS, ... GB, DIN, ASTM, EN, AISIwelded tubes,Thickness:1.2mmLength:6mOutside path:38mmFinish: 2B (Mill Finish), bright ... fast delivery.Packing: Every tube is sleeved in plastic bag individually, and then several tubes are packed by weaving bag, which is ...