... standard: JIS, GB,DIN,ASTM,EN,AISI welded tubes 304 Stainless steel pipesManufacture Standard:JIS, GB, DIN, ASTM, EN, AISIwelded tubes,Thickness: ... : 2B (Mill Finish), bright, satin, hairline, mirrorMaterial: AISI 201/202/304/430/409L/316LManufacture standard: ASTM A554Usage: construction , industry materials and ... several tubes are packed by weaving bag, which is seaworthy 304 stainless steel pipe