1. Coated API line pipe (api 5l x70 seamless line pipes) 1.Grade :A,B,X42,X46,X52,X60, X65, ... X70 2.Operative Standard:API Spec Line pipe generally apply to oil or gas transmission.1.The ... Gas transmission and intustrial transmission of oil,water,gas;7.Steel Grade:A,B,X42,X46,X52,X60,X65,X70,X80 ... /C,D/P 12.Deliver Time:10-25Days API 5L steel tube