... Black Painted Seamless Steel Pipe Size of Steel Pipe:1/2"-48" Surface of Steel Pipe: Black Painted Best price Steel Pipe Name: Black Painted Seamless Steel Pipe ... DIN2448, JISG3452-54, JISG3461-88 Outside diameter: 1/2"-48"Pipe thickness: SCH5S, SCH10S, SCH20S, SCH20, SCH30, STD, SCH40, ... 2, SY/T5037, SY/T 5040 Surface treatment: Natural, Black painted, Galvanized Packing: Bundles or In bulk End: Bevel ...