... 5 thickness:2mm to 30mm Precision pipe Weld and seamless Standard: DIN2391, DIN2393, DIN2394, EN10305, ASTM ... Length: 1m~10m Used the high precision welded line bench to produtcs tubes, with complete checking ... , EN10305, ASTM A519, Used quality raw materials and reasonable production processes. Advantage: High precision size, ... and so on.Add to Basket Update Date:2010-10-30 0:32:49 precision seamless ...