China 4j32 Expansion Alloy Strip Invar Alloy Wire

4j32 Low Expansion Alloy Strip Super-Invar Alloy Strip4 j32 is also called the Super - Invar alloy.In 60 ~ 80 temperature range, low expansion coefficient, the alloy is mainly used in the manufacture of requirements in the environmental temperature change range size high precisCleaning Machine ion instrument parts.Chemical Composition in %, InvarbrandChemical compositionNiMnCoCuFeCPSiS≤4j3231.5~33.00.20~0.603.2~4.20.4~0~0.80Bal0.050.020.020.02
Basic physical constants and mechanical properties of the alloy:
Density: γ = 8,1 g / cm3;
Electric resistivity: ρ = 0,77 ohm mm2 ? / m;
The temperature of the Curie point: Θs = 220 ° C;
Telecommunication & Broadcasting Typical expansion character(10 -6 / ºC )Temperature range20~6020~5020~10020~15020~20020~25020~30020~40020~50020~600Expansion coefficient-0.900.50.91.42.03.24.97.79.610.8
Varieties Steel typeSpecifications
mmPrecision
alloyResistance Alloys for electrical heatingSuper alloyWelding wireCorrosion resistant
alloyRodshot rolling rodsΦ8~38mmavailableavailableavailableCold-drawn rods≤50mmavailableavailableavailableForged rodsΦ38~350mmavailableCutting & Fold-bend Machine availableavailableWiresRound wiresΦ0.3~8mmavailableavailableavailableavailableavailableNon-circle wiresNegotiationavailableavailableavailableStripsCold rolling0.15~4x200mmavailableavailableavailableavailableHot rolling4~22x200mmavailableavailableavailableavailablePlatesCold rolling0.5~4x1000x2000mmavailableavailableavailableHot rolling4~22x1000x2000mmavailableavailableavailabletubesΦ4~63x0.5~5mmavailableavailableExecutive standard: GB, GJB, HB, YB, ASTM, AMSE, negotiation and so on.