1.3/8"-6" (Malleable Iron Pipe Fitting) 2.Galvanized&Black 3.Banded&Beaded 4.ISO9001:2000; ... , stainless steel, carbon steel, aluminium, brass etc.Material Standards:GB.ASTM. AISI. DIN. BS. JIS maximum size:1000mmweight range:0.2 ... ,malleable iron,stainless steel, carbon steel,aluminium,brass etc.standardDIN, ASTM, BS, JIS etc.processsand casting,resin bonded casting, investment casting ...