NC 37/18 Nickel Chrome Alloy

NC 37/18: is a 37/18 Nickel-Chrome Alloy balance mainly iron. It is suitable for continuous operation up to a maximum temperature of 1050 C and is recommended for furnace use with atmospheres, which might otherwise cause dry corrosion for higher nickel content materials. In particular,it has better resistance against sulphur attack and 'green rot',a type of corrosion produced by alternating carburisation and oxidation. A large temperature coefficient of resistance means that the change of resistance with the increase in temperature must be taken into account during design. However, this increase provides a degree of safety by reducing the electrical loading, as operating temperature is approached.

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