Alloy Nomenclature Performance1Cr13Al40Cr25Al50Cr21Al60Cr23Al50Cr21Al40Cr21Al6Nb0Cr27Al7Mo2Main Chemical compositionCr12.0-15.023.0-26.019.0-22.020.5-23.518.0-21.021.0-23.026.5-27.8Al4.0-6.04.5-6.55.0-7.04.2-5.33.0-4.25.0-7.06.0-7.0ReopportuneopportuneopportuneopportuneopportuneopportuneopportuneFeRestRestRestRestRestRestRest Nb0.5Mo1.8-2.2Max. continuous service temp. of element(°C)950125012501250110013501400Resistivity at 20ºC(μΩ·m)1.251.421.421.351.231.451.53Density(g/cm3)7.47.17.167.257.357.17.1Thermal conductivity(KJ/m·h·ºC)52.746.163.260.246.946.1--Coefficient of lines expansion(α×10-6/ºC)15.41614.71513.51616Melting point approx.( ºC)1450150015001500150015101520Tensile strength(N/mm2)580-680630-780630-780630-780600-700650-800680-830Elongation at rupture(%)>16>12>12>12>12>12>10Variation of area(%)65-7560-7565-7565-7565-7565-7565-75Repeat Bending frequency(F/R)>5>5>5>5>5>5>5Hardness(H.B.)200-260200-260200-260200-260200-260200-260200-260continuous service time(Hours/ ºC)--≥80/1300≥80/1300≥80/1300≥80/1250≥50/1350≥50/1350Micrographic structureFerriteFerriteFerriteFerriteFerriteFerriteFerriteMagnetic propertiesMagneticMagneticMagneticMagneticMagneticMagneticMagnetic
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