... under high pressure or high tempretureOil casing pipeAPI J55, API K55, API L80, API N80, API P110GB9948-2000114-273mm, 4-13mmWall lining for oil ... for different planting and breeding business.Line PipeAPI J55-API P110,API K55, API N80,etcGB,ASTM,API5L2.1-110mm,10.3-508mmUsed ...