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The melting point of nickle is 1455 degrees Celsius. However, the melting point of copper is lower at 1083 degrees Celsius and zinc is even lower at 419 degrees Celsius. Therefore, when a copper-nickel alloy is being made it needs to be melted first by weighing the two metals properly and then putting them into the correct crucible. The other important thing to know about melting point is that the temperature at which a metal melts also has an impact on other types of failure such as creep-induced fractures.

Nickel is a metallic element with an atomic number of 28 and a valence of 0 or 1. It’s a silvery white metal that takes a high polish, is ductile, malleable, ferromagnetic, and a good conductor of heat and electricity. It is also non-reactive and resists corrosion. It can be found naturally in the environment, usually in combination with iron or chromium, and it is also found in nickel ore which must be mined using large machinery.

My invention relates to a new process for the melting and refining of nickel containing carbon, comprising the steps of placing a column of nickel in granular form directly with fuel and passing large quantities of air under excessive pressure upwardly through said column to assure a temperature well above the nickel’s melting-point; allowing the resulting melted nickel to pass downwardly through the mass of fuel and thereby to oxidize it; and producing economically and rapidly practically pure fluid nickel. This method eliminates the use of crucibles and results in substantially shorter melting times than heretofore, a material decrease in the quantity of fuel required for this purpose, and the production of nickel in a nearly pure state.