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Nichrome Wire Ni70Cr30 Heating Spiral Wire For Heating Element

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Nichrome Wire Ni70Cr30 Heating Spiral Wire For Heating Element

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Brand Name : DLX

Model Number : Ni70Cr30

Place of Origin : China Jiangsu

MOQ : 5

Payment Terms : L/C, T/T, Western Union, MoneyGram

Supply Ability : 500 tons per month

Delivery Time : 7-20 days

Packaging Details : Spool package with Carton box, Coil package with polybag

Material : Nickel, Chromium

Nickel(Min) : 66%

Resistivity : 1.18+/-0.05

Tensile Strength : 637MPA

Elongtation : ≥20%

Application : Heating, Resistivity

Condition : Hard / Soft

Sureface : Bright, Oxided, Acide

Name : resistance heating wire

Certification : CE,ROHS

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Nichrome Wire Ni70Cr30 Heating Spiral Wire For Heating Element

  • Ni70Cr30 Heating Resistance Wire

Ni70Cr30 is an austenitic nickel-chromium alloy suitable for temperature applications up to 1250°C. High chromium content (30% in average) provides very good life time, especially in the furnace applications.

Ni70Cr30 is characterized by high resistivity, good oxidation resistance, good ductility after use and excellent weldability. Alloy is not subject to “green rot” and is particularly well suited for reducing and oxidizing atmospheres.

  • Electric Heating Devices

Ni70Cr30 resistance wire is widely used in various electric heating devices such as air heaters, electric furnaces, water heaters, etc. It provides stable heating performance and has a relatively long service life.

  • Heating Tubes

Ni70Cr30 resistance wire is often made into heating tubes for heating liquids or gases. These heating tubes are commonly used in heaters, water heaters, steam generators, etc.

  • Ovens and Microwaves

In household appliances, Ni70Cr30 resistance wire is used to manufacture heating elements for ovens and microwaves. They provide uniform heating and have the advantage of rapid heating.

  • Heating Pads and Blankets

Ni70Cr30 resistance wire is also used in the manufacture of heating pads, blankets, and other electric heating products, commonly used for warmth, therapy, etc.

  • Car Seat Heaters

In the automotive industry, Ni70Cr30 resistance wire is used to manufacture car seat heaters, providing comfortable seat heating for drivers and passengers, enhancing comfort during travel.

  • Nickel-chromium alloy performance tables
Performance material Cr10Ni90 Cr20Ni80 Cr30Ni70 Cr15Ni60 Cr20Ni35 Cr20Ni30
Composition Ni 90 Rest Rest 55.0～61.0 34.0～37.0 30.0～34.0
Cr 10 20.0～23.0 28.0～31.0 15.0～18.0 18.0～21.0 18.0～21.0
Fe -- ≤1.0 ≤1.0 Rest Rest Rest
Maximum temperature℃ 1300 1200 1250 1150 1100 1100
Meltiing point ℃ 1400 1400 1380 1390 1390 1390
Density g/cm3 8.7 8.4 8.1 8.2 7.9 7.9
Resistivity -- 1.09±0.05 1.18±0.05 1.12±0.05 1.00±0.05 1.04±0.05
μΩ·m,20℃
Elongation at rupture ≥20 ≥20 ≥20 ≥20 ≥20 ≥20
Specific heat -- 0.44 0.461 0.494 0.5 0.5
J/g.℃
Thermal conductivity -- 60.3 45.2 45.2 43.8 43.8
KJ/m.h℃
Coefficient of lines expansion -- 18 17 17 19 19
a×10-6/
(20～1000℃)
Micrographic structure -- Austenite Austenite Austenite Austenite Austenite
Magnetic properties -- Nonmagnetic Nonmagnetic Nonmagnetic Weak magnetic Weak magnetic

Nichrome Wire Ni70Cr30 Heating Spiral Wire For Heating ElementNichrome Wire Ni70Cr30 Heating Spiral Wire For Heating Element

  • The Form we could offer
Size Range
Wire
dia 0.03-7.5mm
 Nichrome Wire Ni70Cr30 Heating Spiral Wire For Heating Element
dia 8.0-12.0mm
 Nichrome Wire Ni70Cr30 Heating Spiral Wire For Heating Element
Ribbon
(0.05-0.35)*(0.5-6.0)mm
 Nichrome Wire Ni70Cr30 Heating Spiral Wire For Heating Element
Strip
(0.50-2.5)*(5-180)mm
 Nichrome Wire Ni70Cr30 Heating Spiral Wire For Heating Element
Rod
8-50mm
 Nichrome Wire Ni70Cr30 Heating Spiral Wire For Heating Element


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