We can supply the coating as per the customer's requirements such as FBE, PE, PP etc. Oil Casing and Tubing in Oil Wells : Application:Seamless steel tubes for oil casing and tubing in oil wellsStandard : API 5CT,Grade: J55, K55, N80, L80, C90, C95, P110Oil Tube Size: 1.9"--4.5"Casing Size: 4.5"--20"If you have any interest, welcome to contact with me!