... -1240mm, 1-200mmApplied to electric power,resisting very high or low tempreture,chemical industry,petroleum service,corrossion resistant ... in chemical equipment,fertilizer equipment and pipelines under high pressure or high tempretureOil casing pipeAPI J55, API K55, API L80, API ... N80, API P110GB9948-2000114-273mm, 4-13mmWall lining for oil ...