... -1420mm WT:Sch SGP-XXS Length:6m,random length Application:boiler pipe API 5L GrB heat insulation steel pipeOD:10.3mm-1420mmWT ... :Sch SGP-XXSLength:6m,10m,12m,random lengthApplication:boiler pipe,fluid pipe,gas/oil pipe etc. Material: API 5L Gr.B, ASTM A106 ... ,X70,TP304L,TP316L, P91 API 5L GrB heat insulation steel pipe,API,PED,ISO certificate,DIN,JIS,BS standard