Metals are renowned for their ability to withstand harsh environments. Heavy loads, continuous cycling, high intensity, caustic conditions, and even extreme temperatures are all factors to consider. Furnaces, diesel engines, piston engines, spark nozzles, high-speed machines, and exhaust systems are all subjected to conditions that can melt some metals. When selecting a metal for a high application, several temperature points must be considered, with the melting temperature of the metal being one of the most important.
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What is the melting point of metals?
The temperature at which a metal begins to change from a solid to a liquid state is known as the melting temperature of a metal, also known as the melting point. At melting temperature, a metal’s solid and liquid states are balanced. Once at this temperature, heat can be applied to the metal indefinitely without raising the overall temperature. Additional heat can help to raise the metal’s temperature until it is completely liquid.
What Is the Importance of Metal Melting Temperature?
There are many significant levels that a metal achieves when it is heated during a metalworking operation or as a result of its usage but one of the main values is the melting temperature of the metal.
The part loss that will happen once a metal exceeds its melting point is one of the reasons why the melting temperature is so significant. Metal failure occurs before the melting point but once a metal approaches the melting peak and starts to melt, it no longer serves its desired intent
For eg, once a furnace element starts melting the furnace can no longer operate if the component is essential. When a jet engine’s fuel nozzle melts, the orifices plug up and the engine becomes inoperable. It is necessary to remember that other forms of metal loss, such as creep-induced cracks, will occur long before the melting temperature is reached, and studies on the impact of the different temperatures to which metal would be exposed must be performed ahead of time.
Because metals are moldable while molten, the melting point of a metal is an important factor. In a variety of processing processes, metals are heated to freezing temperatures. Metals must be liquids in order for smelting, fusion welding, and casting to occur. It is critical to know the temperature at which metal will be heated when performing a manufacturing process so that the appropriate materials for the machinery used can be selected. A welding gun must withstand the atmospheric heat generated by an electric current and molten metal.
Melting Points of Common Metals
- Aluminum: 660°C or 1220°F
- Brass: 930°C or 1710°F
- Gold: 1063°C or 1945°F
- Silver: 961°C or 1762°F
- Carbon Steel: 1425-1540°C or 2597-2800°F
- Stainless Steel: 1375 – 1530°C or 2500-2785°F
- Inconel: 1390-1425°C or 2540-2600°F
- Cast Iron: 1204°C or 2200°F
- Lead: 328°C or 622°F
- Molybdenum: 2620°C or 4748°F
- Nickel: 1453°C or 2647°F
- Aluminum Bronze: 1027-1038°C or 1881-1900°F
- Chromium: 1860°C or 3380°F
- Copper: 1084°C or 1983°F
- Platinum: 1770°C or 3218°F
- Tungsten: 3400°C or 6152°F
- Zinc: 420°C or 787°F
- Titanium: 1670°C (3038°F)