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