the process of making galvanized iron malleable iron fittings

What are Malleable Iron Fittings?Jun 05, 0183;32;Malleable iron fittings can come in black and galvanized finishes. The three forms of malleable iron include white center, black center, and pearlite malleable iron. Whitecentered malleable cast iron has ferrite in the surface area. Intermediate areas have tempered carbon, ferrite and pearlite. Tempering refers to the hardening of the metal.What are Malleable Fittings? (with pictures)Feb 12, 0183;32;The blackheart iron gives the malleable fitting

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