... stage can be traced in the record.Standard: DIN2391, EN10305-1, EN10305-3.Steel grade: ST35, ST37, ST45, ST52, E235, ... : 1.5-8mmCondition: BK, BKW, BKS, NBK, GBK.Management standard: ISO9001:2000, TS16949.The tubes are specialized in automobile parts, motorcycle part, ... and reinforced wooden case packing for sea transportation.EN10204/3.1 mill test certificate is sent together with goods. EN 10305 ...