Chemical Composition: Nickel 80%, Chrome 20%
Condition: Bright/Acid white/Oxidied Color
Diameter: Support customization
Producer: Shanghai Tankii Alloy Material Co., Ltd.
China NiCr Alloy Wire Producer
Detailed Description:
Grade: NiCr 80/20 is also called Chromel A, N8, Nichrome V, HAI-NiCr 80, Tophet A, Resistohm 80, Cronix 80, Protoloy, Alloy A, MWS-650, Stablohm 650, NCHW1
We also produce other kind of nichrome resistance wire, such as NiCr 70/30,NiCr 60/15,NiCr 60/23,NiCr 37/18, NiCr 35/20, NiCr 35/20, NiCr 25/20,Karma
Chemical Composition and Propertes:
| Propertes/Grade |
NiCr 80/20 |
NiCr 70/30 |
NiCr 60/15 |
NiCr 35/20 |
NiCr 30/20 |
| Main Chemical Composition(%) |
Ni |
Bal. |
Bal. |
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 |
Bal. |
Bal. |
Bal. |
| Max Working Temperature(ºC) |
1200 |
1250 |
1150 |
1100 |
1100 |
Resistivity at 20ºC
(μ Ω · 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 |
nonmagnetic |
nonmagnetic |
Regular size:
We supply products in the shape of wire,flat wire,strip.We can also make customized material according to useris requests.
Bright, annealed, soft wire--0.025mm~5mm
Acid pickeling white wire:1.8mm~10mm
Oxidized wire:0.6mm~10mm
Flat wire:thickness 0.05mm~1.0mm,width 0.5mm~5.0mm
Process:
Wire:Material preparation→melting→re-melting→forging→hot rolling→heat treatment→surface treatment→drawing(rolling)→finish heat treatment→inspection→package→warehouse
Product features:
1)Excellent anti-oxidation and mechanical strength at high temperature;
2)High resistivity and low temperature coefficient of resistance;
3)Excellent reelability and forming performance;
4)Excellent welding performace
Application of all grades:
NiCr 80/20:in braking resistors,industrial furnaces,flat irons, ironing machines, water heaters, plastic moulding dies, soldering irons, metal sheathed tubular elements and cartridge elements.
NiCr 70/30:in industrial furnaces. well suited for reducing atmospheres, as it is not subject to 'green rot'.
NiCr 60/15:in braking resistors,industrial furnaces,hot plates, grills, toaster ovens and storage heaters. For suspended coils in air heaters in clothes dryers, fan heaters, hand dryers.
NiCr 35/20:in braking resistors,industrial furnaces.In night-storage heaters, convection heaters, heavy duty rheostats and fan heaters. For heating cables and rope heaters in defrosting and de-icing elements, electric blankets and pads, car seats, baseboard heaters and floorheater.
NiCr 30/20:in solid hot plates, open coil heaters in HVAC systems, night-storage heaters, convection heaters, heavy duty rheostats and fan heaters.For heating cables and rope heaters in defrosting and de-icing elements, electric blankets and pads, car seats, baseboard heaters, floor heaters and resistors.
