What's Iron Brass Radiator ?
Iron Brass Radiator Shall consist strictly of rod turnings, free of aluminum, manganese, composition, Tobin and Muntz metal turnings; not to contain over 3%free iron, oil or other moisture; to be free of grindings and babbitts; to contain not more than 0.30%tin and not more than 0.15% alloyed iron.
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