... 5L *Material:as customer require *Surface: painted or oiled 1.Technique: cold drawn or hot rolled2.Length range: 4m-12m as customer ... strip, seaworthy packing, or as customer's requirements5.Application:petroleum,gas,construction,boiler,chemical,shipbuilding,foodstuff,papermaking,medical equipment,etc.6 ... quality: certificate ISO9001, API, CE, CPD API 5L X52 PSL 1 Steel Pipe