Threaded Pipe Fittings Plumbing Materials Malleable Iron Cross Female Jizhong

MALLEABLE 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