Such are the general conditions which should be followed in making alloys. Copper melts at 1920 Fah. ; zinc at 700 Fah. ; lead at 590 Fah. ; tin at 450 Fah. ; cast-iron at 2100 Fah. A dull red ...

Zinc alloy buttons are made using die casting, where molten zinc is poured into detailed molds to form sturdy, high-quality buttons. This process not only provides precision but also allows for the ...

metals do not contain iron and are not magnetic ... is gold coloured and darkens when oxidised with age An alloy of copper and zinc, can be cast and machined, used for musical instruments and ...

Cast iron Brittle if thin ... and an excellent electrical conductor of heat Jewellery Brass (alloy of copper and zinc) Non-ferrous metal that is strong and ductile, casts well and is gold coloured ...