... : JIS, GB,DIN,ASTM,EN,AISI welded tubes 201/202/304/430/409L/316L Steel TubesManufacture Standard:JIS, GB, DIN, ASTM ... : 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 Steel Tubes