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China, Chinese 4j42 Iron Nickel Constant Expansion Glass Sealed Alloy Wire Nilo421 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Non ferrous Metal ProductsOther Non ferrous Metal Products4j42Glass Sealed Alloy Wire
Huona (Shanghai) New Material Co., Ltd.
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Product Description 4j42 Iron nickel constant expansion glass sealed alloy wire Nilo42Iron 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 point4j4214.6502J8.120.61360 Typical expansion character(10 -6 / oC )Temperature range20~10020~20020~30020~35020~40020~45020~50020~600Expansion coefficient5.64.94.84.955.96.97.89.24 j42 alloy is mainly used for soft glass and ceramic seal, such as electron tubes, transistors and integrated circuit of fuses, framework, and the sealing plug
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