is made of hot rolled coiled steel by automatic submerged arc weld under normal atmospheric temperature. All the pipes are produced according to API Spec 5L,GB/T9711.1,GB/T9711.2 standard.These pipes mainly used in petroleum and natural gas industry to transport flammable and non-flammable liquid and steel construction.
百人牛牛系统有什么规律 www.rfcdk.com Standards: Product Name Standard
Our products carry out API Spec 5L, GB/T9711.1, GB/T9711.2, ASTM 252 GR1-3 standard.
in petroleum, natural gas industry to transfer flammable and non-flammable fluid and steel pipe construction. We own 6 sets of modernized production line.
Size:OD 219-2850mm, wall thickness: 5-22mm, but we can also produce other specification according to the customers’ requirements.