... , DIN,JIS 4.Size:1/2"-48" ISO/API carbon steel pipe/steel tube1.Type: smls welded2.Material: a106b a53b 3 ... steel, Stainless Steel, Alloy Steel Pipe and pipe fittings, flanges are mainly used in petroleum, gas,shipbuilding,electric power basis on the ... reducer, nipple, bushing, coupling, outlet etc supplying.AS CS SS Pipe, fittings, flangesMaterial: Carbon steel, stainless steel, Alloy steel. Standard: ...