Malleable Iron Pipe Fitting 1/4"-6" Galvanized Back Nuts

Product DescriptionMALLEABLE IRON PIPE FITTINGS DETAILSMaterialBlack Heart Malleable IronStandardBritish Standard, American Standard, DIN standardChemical Property(C% 2.4-2.9), (Si%1.4-1.9), (Mn% 0.4-0.65), (P% =6%, Hardness