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Nichrome Alloy Filament We are offering an enlarged gamut of finest quality Nichrome alloy filament. These filaments are made as per industrial standards. For making them purest nichrome alloy which is combination of nickel and chromium is used. Our advanced manufacturing unit produces finest products that offer better workability and higher efficiency. With below mentioned specifications Nichrome alloy filament can be availed. Specifications: Ni-Cr resistance heating wire and strips electrothermal wires Nichrome electrical alloy wires and strips resistance alloy wires or strips electrical heating wires 1. Introduction to products Nickel-chromium, nickel-chromium alloy with high and stable resistance, corrosion resistance, surface oxidation resistance is good, a better under high temperature and seismic strength, good ductility, good workability and weldability. 2.Marking Each spool/package of alloy is supplied with a label or tag showing alloy type, nominal size, tare and net weight, resistance W/m (W/ft), charge number and a reference number. 3.size wires:0.018-10mm Ribbons:0.05*0.2-2.0*6.0mm Strips:0.5*5.0-5.0*250mm Bars:D10-100mm 4.NiCr series
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Alloy Nomenclature Performance
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Cr20Ni80
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Cr30Ni70
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Cr15Ni60
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Cr20Ni35
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Cr20Ni30
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Main Chemical composition
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Ni
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Rest
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Rest
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55.0-61.0
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34.0-37.0
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30.0-34.0
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Cr
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20.0-23.0
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28.0-31.0
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15.0-18.0
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18.0-21.0
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18.0-21.0
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Fe
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1.0
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1.0
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Rest
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Rest
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Rest
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Max. continuous service temp. of element(ºC)
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1200
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1250
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1150
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1100
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1100
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Resistivity at 20ºC (¼©·m)
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1.09
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1.18
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1.12
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1.0
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1.04
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Density(g/cm3)
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8.40
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8.10
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8.20
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7.90
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7.90
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Thermal conductivity (KJ/mºC)
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60.3
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45.2
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45.2
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43.8
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43.8
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Coefficient of lines expansion(±10-6ºC)
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18.0
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17.0
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17.0
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19.0
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19.0
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Melting point approx.( úC)
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1400
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1380
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1390
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1390
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1390
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Elongation at rupture(%)
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>20
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>20
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>20
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>20
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>20
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Micrographic structure
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austenite
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austenite
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austenite
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austenite
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austenite
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Magnetic properties
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nonmagnetic
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nonmagnetic
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Weak magnetic
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Weak magnetic
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Weak magnetic
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