... heating treatment industry , such as iron, steel, brass, cooper ,bronze zinc ,etc. As well as heating treatment prior to forging , sintering ... oxidization loss, uniform metal content;5.Furnace shell with cast aluminum ally or steel shell construction, small footprint, easy overturn body ... 1650°C 2.Iron 1450°C 3.Copper 1150 °C 4.Brass 1000 °C 5. Aluminum 700 °C Remark:1.Melting time ...