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High quality Metallic heating elements
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Ready-made metallic heating elements made from FeCrAl alloys and NiCr alloys are precision-engineered for a wide range of industrial and domestic applications, covering element temperatures from 50°C to 1425°C (120°F to 2600°F). GenSi alloys are available in several grades in wire, ribbon, and strip forms, offering exceptional adaptability for various furnace configurations.
Ready-made metallic heating elements made from FeCrAl alloys and NiCr alloys are precision-engineered for a wide range of industrial and domestic applications, covering element temperatures from 50°C to 1425°C (120°F to 2600°F). GenSi alloys are available in several grades in wire, ribbon, and strip forms, offering exceptional adaptability for various furnace configurations.
Material efficiency: Higher resistivity and lower density allow for thinner, lighter elements, reducing material costs and support requirements.
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Alloy Nomenclature Performance
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1Cr13AL4
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0Cr25Al5
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0Cr21AL6
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0Cr23Al5
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0Cr21Al4
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0Cr21Al6Nb
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0Cr27Al7Mo2
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Main Chemical composition |
Cr
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12.0-15.0
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23.0-26.0
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19.0-22.0
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20.5-23.5
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18.0-21.0
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21.0-23.0
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26.5-27.8
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Al
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4.0-6.0
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4.5-6.5
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5.0-7.0
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4.2-5.3
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3.0-4.2
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5.0-7.0
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6.0-7.0
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Re
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opportune
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opportune
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opportune
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opportune
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opportune
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opportune
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opportune
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Fe
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Rest
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Rest
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Rest
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Rest
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Rest
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Rest
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Rest
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Nb0.5
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Mo1.8-2.2
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Max. continuous service temp. of element(°C)
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950
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1250
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1250
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1250
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1100
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1350
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1400
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Resistivity at 20ºC(μΩ·m)
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1.25
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1.42
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1.42
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1.35
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1.23
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1.45
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1.53
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Density(g/cm3)
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7.4
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7.1
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7.16
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7.25
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7.35
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7.1
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7.1
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Thermal conductivity(KJ/m·h·ºC)
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52.7
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46.1
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63.2
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60.2
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46.9
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46.1
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—
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|
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Coefficient of lines expansion(α×10-6/ºC)
|
15.4
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16
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14.7
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15
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13.5
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16
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16
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Melting point approx.( ºC)
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1450
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1500
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1500
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1500
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1500
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1510
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1520
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Tensile strength(N/mm2)
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580-680
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630-780
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630-780
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630-780
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600-700
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650-800
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680-830
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Elongation at rupture(%)
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>16
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>12
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>12
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>12
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>12
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>12
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>10
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Variation of area(%)
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65-75
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60-75
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65-75
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65-75
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65-75
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65-75
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65-75
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Repeat Bending frequency(F/R)
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>5
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>5
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>5
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>5
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>5
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>5
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>5
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Hardness(H.B.)
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200-260
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200-260
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200-260
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200-260
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200-260
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200-260
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200-260
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continuous service time(Hours/ ºC)
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—
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≥80/1300
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≥80/1300
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≥80/1300
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≥80/1250
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≥50/1350
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≥50/1350
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Micrographic structure
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Ferrite
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Ferrite
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Ferrite
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Ferrite
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Ferrite
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Ferrite
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Ferrite
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Magnetic properties
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Magnetic
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Magnetic
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Magnetic
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Magnetic
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Magnetic
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Magnetic
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Magnetic
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