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China, Chinese 4j52 Iron Nickel Constant Expansion Glass Sealed Alloy Wire N521 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Non ferrous Metal ProductsOther Non ferrous Metal Products4j52Glass Sealed Alloy Wire
Huona (Shanghai) New Material Co., Ltd.
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Product Description 4j52 Iron nickel constant expansion glass sealed alloy wire N52Iron nickel alloy is obtained at a given temperature range by adjusting the content of nickel internal energy and the expansion coefficient of different soft glass and ceramic matching a series of expansion alloy, its expansion coefficient and the Curie temperature increases with the increase of nickel content.The assembly is widely used in electric vacuum industry the sealing structure of the materialChemical Composition in %, InvarbrandChemical compositionNiFeCPSiCoMnAlS≤4j4241.5~42.5Bal0.050.020.3-0.800.100.024j4544.5~45.5Bal0.050.020.3-0.800.100.024j5049.5~50.5Bal0.050.020.31.00.800.100.024j5251.5~52.5Bal0.050.020.3-0.60-0.024j5453.5~54.5Bal0.050.020.3-0.60-0.02 Basic physical constants and mechanical properties of the alloy:brandThermal conductivitySpecific heat capacityDensityElectric resistivityCurie point4j5216.7502J8.250.43520 Typical expansion character(10 -6 / oC )Temperature range20~10020~20020~30020~35020~40020~45020~50020~600Expansion coefficient10.310.410.210.310.310.310.811.24 j52 alloy is mainly used for and soft lead glass sealing, small tube fuses.
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