Nichrome Wire resistance Heating Element for Electric Furnace
Power for each element: 500W to 20 KW
Working voltage: 5V to 220V
Useful length: 50 to 3000mm
diameter: Φ 0.7- Φ 8.0
2. Characteristics:
1) The highest working temperature up to 1200 degree.
2) Longer working life,and better technical properties
3) Higher surface load.
4) Higher resistivity.
5) Lower density.
6) Free from oxide debris
3. Applications
bobbin heater is made of alumina ceramic insulation and series wound High Temperature RESISTANCE heating wire.It is widely used in heat treatment equipment, auto parts, iron and steel manufacturing, aluminum industry, metallurgical equipment, petrochemical equipment, glass machinery, ceramic machinery, food machinery, pharmaceutical machinery, power engineering industry, and residential appliances.
4. Chemical Composition and Main Properties of Nichrome
Nichrome Rod/Nichrome Wire (NiCr 80/20)
Chemical Composition: Nickel 80%, Chrome 20%
Condition: Bright/Acid white/Oxidied Color
Diameter: 0.018mm~1.6mm in spool, 1.5mm-8mm packing in coil, 8~60mm in rod
Nichrome Round Wire: Diameter 0.018mm~10mm
Nichrome Ribbon: Width 5~0.5mm, thickness 0.01-2mm
Nichrome Strip: Width 450mm~1mm, thickness 0.001m~7mm
Diameter: 1.5mm-8mm packing in coil, 8~60mm in rod
Other Grade: Ni80Cr20, Ni70/30, Ni60Cr15, Ni60Cr23, Ni35Cr20Fe, Ni30Cr20
Ni80, Ni70,Ni60, Ni40,
Nichrome's metallurgical structure confers them a very good plasticity when cold.
Production Standard: ASTM B603, DIN 17470, JIS C2520, GB/T1234.
Our advantage:High quality,short delivery time,small MOQ.
Characteristics:Stable performance; Anti-oxidation; Corrosion resistance; High temperature stability; Excellent coil-forming ability; Uniform and beautiful surface condition without spots.
Usage:Resistance heating elements;Material in metallurgy;Household appliances;Mechanical manufacturing and other industries.
| Chemical Composition and Main Properties of Nichrome |
| Properties \ Grade |
NiCr 80/20 |
NiCr 70/30 |
NiCr 60/15 |
NiCr 35/20 |
NiCr 30/20 |
| Main Chemical Composition |
Ni |
Balance |
Balance |
55.0-61.0 |
34.0-37.0 |
30.0-34.0 |
| Cr |
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 |
Balance |
Balance |
Balance |
| Max Continuous Service Temperature(oC) |
1200 |
1250 |
1150 |
1100 |
1100 |
| Resisivity 20oC (Ωmm2/m) |
1.09 |
1.18 |
1.12 |
1.04 |
1.04 |
| Density (g/cm3) |
8.4 |
8.1 |
8.2 |
7.9 |
7.9 |
| Thermal Conductivity(KJ/m@h@oC) |
60.3 |
45.2 |
45.2 |
43.8 |
43.8 |
| Coefficient of Thermal Expansion(α×10-6/oC) |
18 |
17 |
17 |
19 |
19 |
| Melting Point( oC) |
1400 |
1380 |
1390 |
1390 |
1390 |
| Elongation(%) |
>20 |
>20 |
>20 |
>20 |
>20 |
| Micrographic Structure |
austenite |
austenite |
austenite |
austenite |
austenite |
| Magnetic Property |
nonmagnetic |
nonmagnetic |
nonmagnetic |
Weak magnetic |
Weak magnetic |
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