Supply china seamles

OCTG is abbreviated from Oil Country Tubular Goods, which refer to a special kind of steel pipes, mostly are seamless pipes but quite a proportion are welded ones, used for oil and gas exploitation and production.We can provide customers with tubing, casing, drilling pipe and others, which include the API series and the TP series, the latter being of higher standard and with independent intellectual property rights. Specifications Outside Diameter: Φ13.7-Φ720mm(1/4’’-28’’) Wall Thickness: 3-50mm Quality Standards: API 5L;ASME B36.10M-1996;GB8163-1999 Length: 3-12.2m Grades: ASTM A106/A53GR.B,API 5L A,B,X42~X80,PSL1/PSL2 etc