*OD:10-630mm,WT: 4-80mm *Standard:ASTM,API,JIS,DIN,BS,EN,GB *Material:as customer require *Surface: ... .End treatment: beveled, plastic cap available4.Packing: In bundles with steel strip or as customer's requirements5.Application:petroleum,gas,construction ... ,foodstuff,papermaking,medical equipment,etc.6.High quality: certificate ISO9001, API, CE, CPD DIN 1629 ST52 Carbon Steel Pipe