API 5L GrB heat insulation steel pipe,ASME B36.10 OD:10.3-920mm WT:Sch SGP-XXS Length:6m,random length ... API 5L GrB heat insulation steel pipe,ASME B36.10OD:10.3-920mmWT:Sch SGP-XXSLength:6m,8m,10m,15m,random ... :3lpe coating/black color/varnishMaterial: API 5L Gr.B, ASTM A106 Gr.A/B/C, ASTM A335,X42,X56,X60,X70 MOQ ... heat insulation steel pipe,API,PED,ISO certificate,ASME B36.10