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Properties and Application Notes
Super Pure Nickel is especially characterized by very high temperature coefficient and low resistivity. Super Pure Nickel is used for resistors with a strongly temperature-dependent resistance value, also for the production of spark-plugs. Super Pure Nickel is magnetic up to a temperature of appr. 360 °C (the Curie point is at appr. 357.5 °C).
The maximum working temperature in air is 700 °C.
Form of Delivery
Super Pure Nickel is supplied in the form of round wires in the range 3.0 to 0.10 m Ø in bare or enamelled condition, and in the form of stranded wires.
Notes on Treatment
Super Pure Nickel is very soft as compared with the types of technically pure nickel quoted in DIN 17740; this must be taken into consideration when it is processed. As can be seen from the following graphs, its physical properties are heavily temperature-dependent, the latter being strongly affected if the Curie point is exceeded.