Goods: carbon steel seamless pipe Standard: API 5L/API 5CT Diameter: 17.1mm-2032mm W. ... equipment, boiler heat, exchanger, gas metallurgy, Surface Black painting, varnish,FBE, 3PE,etc.PackagePlastic caps on both ends, Steel bundle,Woven ... :0086-22-27595690Mobile:0086-13212225666 API 5L/5CT A106B casing pipe