Nickel alloys are alloys composed of nickel-based additions of other elements. Nickel has good mechanical, physical and chemical properties. Adding appropriate elements can improve its oxidation resistance, corrosion resistance, high temperature strength and improve some physical properties.
Alloy wire of compensating wire for thermocouple
The function of the thermocouple compensation wire is to extend the thermoelectric electrode, that is, to move the cold end of the thermocouple, and to connect with the display instrument to form a temperature measurement system. The operating temperature is - 25~200 ℃.
Nickel chromium nickel silicon thermocouple wire (Type K)
Nickel chromium nickel silicon thermocouple (K-type thermocouple) is the low metal thermocouple with the largest usage in the temperature measurement area above 500 ℃, and its usage is the sum of other metal thermocouples. The nominal chemical composition of the positive pole (KP) is Ni: Cr ≈ 90:10, and the chemical composition of the negative pole (KN) is Ni: Si ≈ 97:3, and its operating temperature range is - 200~1300 ℃.
Introduction of pure nickel wire and nickel mesh
Pure nickel wire is mainly used to manufacture electron tube cathode, anode grid side rod, tube needle, etc. It has good mechanical properties and corrosion resistance to alkalis, such as sodium hydroxide. It also has better electrical, thermal and magnetic controllability characteristics. Applications include food and synthetic fibre processing, heat exchangers and the chemical and power industries. Typical manufacturing resistance thermometers, internal parts of the tube, such as grid side rods, struts and external parts of the tube, such as lead wires.
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