Hangzhou Ualloy Material Co.,Ltd

Basic Info.Model NO.:CrAl 14/4Package:waterproof film, weave bag, wooden caseSpecification:ASTM, JIS, GB, DINTrademark:UALLOYOrigin:ChinaSteel Grade:Cral 14/4Certification:ISOSurface Treatment:PolishedTechnique:Cold RolledApplication:ResistorEdge:Slit edgeStock:Not StockHS Code:7223000000Production Capacity:300 Tons/MonthProduct DescriptionAlchrome Alloy Strip(CrAl 14-4)/China ProducerNominal Analysis14.00 Cr, 4.00 Al, Bal. FeMax contineous working temperature: 950º C. Melting Temperature: 1450º CElectrical Resistivity: 1.25 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. Hangzhou Ualloy Material Co.,LtdALCHROME ALLOY PRODUCER IN CHINA Chemical Composition and Main Property of Fe-Cr-Al Resistance Alloy ? Properties Grade ? 1Cr13Al4 ? 0Cr25Al5 ? 0Cr21Al6 ? 0Cr23Al5 ? 0Cr21Al4 ? 0Cr21Al6Nb ? 0Cr27Al7Mo2 ? Main Chemical Composition (%) ? Cr ? 12.0-15.0 ? 23.0-26.0 ? 19.0-22.0 ? 22.5-24.5 ? 18.0-21.0 ? 21.0-23.0 ? 26.5-27.8 ? Al ? 4.0-6.0 ? 4.5-6.5 ? 5.0-7.0 ? 4.2-5.0 ? 3.0-4.2 ? 5.0-7.0 ? 6.0-7.0 ? Re ? opportune ? opportune ? opportune ? opportune ? opportune ? opportune ? opportune ? Fe ? Bal. ? Bal. ? Bal. ? Bal. ? Bal. ? Bal. ? Bal. ? ? ? ? ? ? ? ? ? ? ? ? ? Nb0.5 ? Mo1.8-2.2 ? Max Continuous Service Temperature(oC) ? 950 ? 1250 ? 1250 ? 1250 ? 1100 ? 1350 ? 1400 ? Resisivity 20oC?(Ωmm2/m) ? 1.25 ±0.08 ? 1.42 ±0.06 ? 1.42 ±0.07 ? 1.35 ±0.07 ? 1.23 ±0.07 ? 1.45 ±0.07 ? 1.53 ±0.07 ? Density(g/cm3) ? 7.4 ? 7.1 ? 7.16 ? 7.25 ? 7.35 ? 7.1 ? 7.1 ? Thermal Conductivity ? 52.7 ? 46.1 ? 63.2 ? 60.2 ? 46.9 ? 46.1 ? 45.2 ? (KJ/m@h@oC) ? Coefficient of Thermal Expansion(α×10-6/oC) ? 15.4 ? 16 ? 14.7 ? 15 ? 13.5 ? 16 ? 16 ? Approximate Melting Point( oC) ? 1450 ? 1500 ? 1500 ? 1500 ? 1500 ? 1510 ? 1520 ? Tensile Strength(N/mm2) ? 580-680 ? 630-780 ? 630-780 ? 630-780 ? 600-700 ? 650-800 ? 680-830 ? Elongation(%) ? >16 ? >12 ? >12 ? >12 ? >12 ? >12 ? >10 ? Section Variation ? 65-75 ? 60-75 ? 65-75 ? 65-75 ? 65-75 ? 65-75 ? 65-75 ? Shrink Rate (%) ? Repeatedly Bend Frequency(F/R) ? >5 ? >5 ? >5 ? >5 ? >5 ? >5 ? >5 ? Hardness (H.B.) ? 200-260 ? 200-260 ? 200-260 ? 200-260 ? 200-260 ? 200-260 ? 200-260 ? Continuous Service Time ? no ? ≥80/1300 ? ≥80/1300 ? ≥80/1300 ? ≥80/1250 ? ≥50/1350 ? ≥50/1350 ? Micrographic Structure ? Ferrite ? Ferrite ? Ferrite ? Ferrite ? Ferrite ? Ferrite ? Ferrite ? Magnetic Property ? Magnetic ? Magnetic ? Magnetic ? Magnetic ? Magnetic ? Magnetic ? Magnetic ?

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