China Uniseal 42 4j42 Glass Sealed Alloy Strip

Uniseal 42 FeNi Constant Expansion Glass Sealed alloy rod 4j42Iron nickel alloy is obtained at a given temperature range by adjusting the content of nickel internal energy and the expansion coefficient of different soft Magnetic Material 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≤Uniseal 4241.5~42.5Bal0.050.020.3-0.800.100.024j4544.5~45.5Bal0.050.020.3-0.800.100.024j5049.5~50.5Bal0.050.020.31.00.800.100.024j5251.5~52.5Bal0Insulation .050.020.3-0.60-0.024j5453.5~54.5Bal0.050.020.3-0.60-0.02
Basic phElectromagnetic Equipment ysical constants and mechanical properties of the alloy:brandThermal conductivitySpecific heat capacityDensityElectric resistivityCurie pointUniseal 4214.6502J8.120.61360
Typical expansion character(10 -6 / ºC )Temperature range20~10020~20020~30020~35020~40020~45020~50020~600Expansion coefficient5.64.94.84.955.96.97.89.2
Uniseal 42alloy is mainly used for soft glass and ceramic seal, such as electron tubes, transistors and integrated circuit of fuses, framework, and the sealing plug
All offered "Shanghai Tankii Alloy Material Co., Ltd" of rolled metal products Invar differs guaranteed high quality.Machinery for Packaging Supplies Customers can buy Invar alloy for the production of different types of products and rely on the high-speed supply of rolled metal.