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Uns K93600/1.3912 Feni 36 Invar 36 4j36 Wire1
Nickel Alloy, Invar 36 Wire, 4j36 Wire
Huona (Shanghai) New Material Co., Ltd.
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Product Description Uns K93600/1.3912 Feni 36 Invar 36 4j36 Wire (Common Name: Invar, FeNi36, Invar Standard, Vacodil36)4J36 (Invar), also known generically as FeNi36 (64FeNi in the US), is a nickel-iron alloy notable for its uniquely low coefficient of thermal expansion (CTE or α).4J36 (Invar) is used where high dimensional stability is required, such as precision instruments, clocks, seismic creep gauges, television shadow-mask frames, valves in motors, and antimagnetic watches. In land surveying, when first-order (high-precision) elevation leveling is to be performed, the Level staff (leveling rod) used is made of Invar, instead of wood, fiberglass, or other metals. Invar struts were used in some pistons to limit their thermal expansion inside their cylinders.4J36 use oxyacetylene welding, electric arc welding, welding and other welding methods. Since the coefficient of expansion and chemical composition of the alloy is related should be avoided due to welding causes a change in the alloy composition, it is preferable to use Argon arc welding welding filler metals preferably contains 0.5% to 1.5% titanium, in order to reduce weld porosity and crack.Controlled Expansion and Glass Sealing AlloysGerman standard number Tradename DIN UNS1.3912Alloy 3617745K93600/936011.3917 Alloy 42 17745K941001.3922 Alloy 4817745 K948001.3981Pernifer2918 17745 K946102.4478 NiFe 4717745 N140522.4486 NiFe47Cr17745-Normal composition%Ni35~37.0FeBal.Co-Si≤0.3Mo-Cu-Cr-Mn0.2~0.6C≤0.05P≤0.02S≤0.02 Coefficient of expansion θ/oCα1/10-6oC-1θ/oCα1/10-6oC-120~-601.820~2503.620~-401.820~3005.220~-201.620~3506.520~-01.620~4007.820~501.120~4508.920~1001.420~5009.720~1501.920~55010.420~2002.520~60011.0 Typical Physical properties Density (g/cm3)8.1Electrical resistivity at 20oC(OMmm2/m)0.78Temperature factor of resistivity(20oC~200oC)X10-6/oC3.7~3.9Thermal conductivity, λ/ W/(m*oC)11Curie point Tc/ oC230Elastic Modulus, E/ Gpa144 The heat treatment processAnnealing for stress reliefHeated to 530~550oC and hold 1~2 h. Cold downannealingIn order to eliminate hardening, which be bring out in cold-rolled, cold drawing process. Annealing needs heated to 830~880oC in vacuum,hold 30 min.The stabilization processIn protective media and heated to 830 oC, hold 20min. ~ 1h, quenchDue to the stress generated by quenching, heated to 315oC,hold 1~4h.PrecautionsCan not be hardened by heat treatmentSurface treatment can be sandblasting, polishing or pickling.Alloy can be used 25% hydrochloric acid pickling solution at 70 oC to clear oxidized surfaceTypical Mechanical properties Tensile StrengthElongationMpa%6411468997318Temperature factor of resistivityTemperature range, oC20~5020~10020~20020~30020~400aR/ 103 *oC1.81.71.41.21.0 FAQ 1. How long i can get the feedback after we sent the enquiry?A: We will reply you within 12 hours in working day.2. How can I get some samples?A: We are pleased to offer you sample, the delivery time is about 4-7 days.3. Are you a factory?A: Yes. We are. We have specialized in this field over 10 Year.4. What is the delivery time?A:15 days normally, detail delivery date should be decided according to production season and order quantity.
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