Shanghai Tankii Alloy Material Co., Ltd.  

Product Name: 0.05mm To 10mm FeCrAl Alloy Resistance Wire Used For Heating Elements (CrAl 25/5) Model NO.: CrAl 25-5 Carbon Content: Low Carbon Material: Iron Chrome Aluminum Wire Product Type: Wire Mainly Usage: Heater, Resistor Trademark: TANKII Transport Package: waterproof film, Weave bag, Wooden Case Specification: RoHS Origin: Shanghai, China HS Code: 7223000000 Product Description 0.05mm To 10mm FeCrAl Alloy Resistance Wire Used For Heating Elements (CrAl 25/5)Heating Resistance Wire/China ProducerNominal Analysis20.00 Cr, 5.00 Al, Bal. FeMax contineous working temperature: 1250 º C.Melting Temperature: 1500 º CElectrical Resistivity: 1.4 ohm mm2/mHas been used extensively as heating elements in industrial furnaces and electrical kilns.Has less hot strength than Tophet alloys but much higher melting point.Shanghai TANKII ALLOY MATERIAL Co., Ltd.MOST PROFESSIonAL ALCHROME AND FECRAL ALLOY PRODUCER IN ChinaWe also produce CrAl 14/4, CrAl 19/3 and other grade resistance wire for industrial demand.Chemical Composition and Main Property of Fe-Cr-Al Resistance AlloyProperties Grade1Cr13Al40Cr25Al50Cr21Al60Cr23Al50Cr21Al40Cr21Al6Nb0Cr27Al7Mo2Main Chemical Composition(%)Cr12.0-15.023.0-26.019.0-22.022.5-24.518.0-21.021.0-23.026.5-27.8Al4.0-6.04.5-6.55.0-7.04.2-5.03.0-4.25.0-7.06.0-7.0ReopportuneopportuneopportuneopportuneopportuneopportuneopportuneFeBal.Bal.Bal.Bal.Bal.Bal.Bal.Nb0.5Mo1.8-2.2Max Continuous Service Temperature(oC)950125012501250110013501400Resisivity 20oC (Ω mm2/m)1.25± 0.081.42± 0.061.42± 0.071.35± 0.071.23± 0.071.45± 0.071.53± 0.07Density(g/cm3)7.47.17.167.257.357.17.1Thermal Conductivity52.746.163.260.246.946.145.2(KJ/m@ h@ oC)Coefficient of Thermal Expansion(α × 10-6/oC)15.41614.71513.51616Approximate Melting Point( oC)1450150015001500150015101520Tensile Strength(N/mm2)580-680630-780630-780630-780600-700650-800680-830Elongation(%)> 16> 12> 12> 12> 12> 12> 10Section Variation65-7560-7565-7565-7565-7565-7565-75Shrink Rate (%)Repeatedly Bend Frequency(F/R)> 5> 5> 5> 5> 5> 5> 5Hardness (H. B. )200-260200-260200-260200-260200-260200-260200-260Continuous Service Timeno≥ 80/1300≥ 80/1300≥ 80/1300≥ 80/1250≥ 50/1350≥ 50/1350Micrographic StructureFerriteFerriteFerriteFerriteFerriteFerriteFerriteMagnetic PropertyMagneticMagneticMagneticMagneticMagneticMagneticMagnetic