Bright Annealed Nicr3020 Nickel Chromium Alloy For Resistive Element
Stable resistivity Nicr30/20 Supplier Ni30cr20 Wire for heating element
Ni30Cr20, Nikrothal30, N3, HAI-NiCr30, Resistohm30, 30-20Ni-Cr, Nikrothal .
It is a nickel-chromium alloy (NiCr alloy) characterized by High resistivity, good oxidation resistance, very good form stability, good ductility and excellent weldability. It is suitable for use at temperatures up to 1100°C.
Typical applications for it used in olid hot plates,open coil heaters in HVAC systems, night-storage heaters, convection heaters, heavy duty rheostats and fan heaters. And also used for heating cables and rope heaters in defrosting and de-icing elements, electric blankets and pads, car seats, baseboard heaters, floor heaters and resistors.
Normal composition%
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | Other |
| Max | |||||||||
| 0.08 | 0.02 | 0.015 | 1.00 | 1.0~2.0 | 18.0~21.0 | 30.0~34.0 | - | Bal. | - |
Typical Mechanical properties(1.0mm)
| Yield strength | Tensile Strength | Elongation |
| Mpa | Mpa | % |
| 340 | 675 | 35 |
Typical Physical properties
| Density (g/cm3) | 7.9 |
| Electrical resistivity at 20ºC(Om*mm2/m) | 1.04 |
| Conductivity coefficient at 20ºC (WmK) | 13 |
| Coefficient of thermal expansion | |
| Temperature | Coefficient of Thermal Expansion x10-6/ºC |
| 20 ºC- 1000ºC | 19 |
| Specific heat capacity | |
| Temperature | 20ºC |
| J/gK | 0.50 |
| Melting point (ºC) | 1390 |
| Max continuous operating temperature in air (ºC) | 1100 |
| Magnetic properties | non-magnetic |
Temperature Factors Of Electrical Resistivity
| 20ºC | 100ºC | 200ºC | 300ºC | 400ºC | 500ºC | 600ºC |
| 1 | 1.023 | 1.052 | 1.079 | 1.103 | 1.125 | 1.141 |
| 700ºC | 800ºC | 900ºC | 1000ºC | 1100ºC | 1200ºC | 1300ºC |
| 1.158 | 1.173 | 1.187 | 1.201 | 1.214 | 1.226 | - |
Our Nichrome alloy are in the form of wire, ribbon, strip, coil.
- Round wire
- Ribbon (flat wire)
- Strip / foil
- Stranded wire
- Sheet / plate
Delivery conditions are:
- Bright annealed
- Oxidized
- Pickled
- Enameled
Our major product line:
l Electric resistance alloy materials in wire, strip, tube, and bar form.
l Furnace products and heating systems:
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• Metalic heating elements
• Heating modules: Prefabricated heating modules with electric heating elements and fiber or dense ceramic insulation.
• Air heating cassettes: Cassettes with metallic heating elements for heating of air or gases
• Diffusion Cassettes: Diffusion cassettes for the production of crystalline silicon wafers for solar cells and semiconductors
• Furnace tubes: Extruded tubes made from FeCrAl alloys for gas-heated or electrically heated furnaces.
• Construction materials: Wire, strip, tube and bar for manufacturing of furnace furniture and other furnace accessories
• Furnace rollers: Furnace rollers for heat treatment furnaces.
• Resistance heating wire and strip.: Resistance heating wire and strip for manufacturing of electric heating elements.
• Technical Ceramics: Ceramic supporting materials for electrothermal components.
• Thermocouple wire and strip: Wire, ribbon and strip for thermocouples, extension leads and compensating cables.
• Ceramic engineering material: Ceramic engineering material for high-temperature and chemical environments.
• Electric heating systems: Electric heating systems for aluminium and steel production
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