Description of Ni80Cr20 Wire
Ni80Cr20 wire, also known as Nichrome 80/20 or Nichrome V, is an alloy composed of approximately 80% nickel and 20% chromium. This material is widely used for its resistance to heat and corrosion, as well as for its ability to maintain mechanical properties at high temperatures.
Composition of Ni80Cr20 wire
- Nickel (Ni): Approximately 80%
- Chromium (Cr): Approximately 20%
- Other trace elements may be present in small amounts to improve specific properties.
Properties of Ni80Cr20 wire
High Temperature Resistance: Ni80Cr20 wire has an oxidation resistance up to about 1200°C (2200°F), making it suitable for use in high-temperature applications.
Corrosion Resistance: Good resistance to many corrosive environments, including some acids and alkalis.
Electrical Resistance: It has a relatively high and stable electrical resistance, which makes it suitable for heating elements in various applications.
Thermal Expansion: Ni80Cr20 has a lower coefficient of thermal expansion compared to pure nickel and other alloys.
Creep Resistance: The alloy demonstrates good resistance to creeping at high temperatures, which is the tendency of a material to deform over time under constant stress and temperature.
Applications of Ni80Cr20 Wire
1. Heating Elements: Commonly used in heating elements for toasters, ovens, electric ranges, hair dryers, and other electric heating appliances due to their ability to withstand high temperatures and their stable electrical resistance.
2. Welding Rods: Ni80Cr20 wire is used as a material for welding rods, particularly for welding similar alloys or for applications requiring corrosion resistance.
3. Resistance Wire: In electronic devices, Ni80Cr20 Wire can be used as a resistance wire in heating circuits or as a current-limiting device.
4. Industrial Furnaces: Ni80Cr20 Wire is used in the construction of industrial furnaces and kilns where high-temperature resistance is required.
5. Aerospace and Automotive: Due to its thermal properties, Ni80Cr20 wire may be used in the aerospace and automotive industries for components exposed to high temperatures.
Specification of Ni80Cr20 Wire
|
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 at 20℃ (μΩ·m) |
-- |
1.09±0.05 |
1.18±0.05 |
1.12±0.05 |
1.00±0.05 |
1.04±0.05 |
|
|
Elongation at rupture |
≥20 |
≥20 |
≥20 |
≥20 |
≥20 |
≥20 |
|
|
Specific heat (J/g.℃) |
-- |
0.44 |
0.461 |
0.494 |
0.5 |
0.5 |
|
|
Thermal conductivity (KJ/m.h℃) |
-- |
60.3 |
45.2 |
45.2 |
43.8 |
43.8 |
|
|
Coefficient of lines expansion a×10-6/(20~1000℃) |
-- |
18 |
17 |
17 |
19 |
19 |
|
|
Micrographic structure |
-- |
Austenite |
Austenite |
Austenite |
Austenite |
Austenite |
|
|
Magnetic properties |
-- |
Non-magnetic |
Non-magnetic |
Non-magnetic |
Weak magnetic |
Weak magnetic |
|
Testing and Quality Control of Ni80Cr20 Wire
FAQ for Ni80Cr20 Wire
Are you a Ni80Cr20 Wire factory or a Ni80Cr20 Wire manufacturer?
A: Yes, we are a Ni80Cr20 Wire factory, but we generally use our trading company to handle the business abroad. It will be more convenient to receive the remittance and arrange the shipment.
What is the delivery method of Ni80Cr20 Wire?
A: Generally, we send Ni80Cr20 Wires by UPS, DHL, or FedEx. Also, we can send by sea to a seaport or by air to the closest airport.
Why is your Ni80Cr20 Wire so cost-effective?
A: We cut out the middlemen in the end-to-end manufacturing process, and we obtain raw material directly from its source.
Do you do spot quality inspection of Ni80Cr20 Wire or full inspection of Ni80Cr20 Wire?
A: 100% full inspection for sure. All unqualified Ni80Cr20 Wires are discarded.
How do you ensure your lead time for Ni80Cr20 Wire?
A: From material preparation to machining and finally to a full inspection. Every stage of production is strictly monitored and controlled to give you an accurate delivery time.
What is the MOQ of Ni80Cr20 Wire?
A: Depends on the quantity of Ni80Cr20 Wire; generally, no MOQ limit.
How to pay for Ni80Cr20 Wire?
A: A bank transfer (T/T) will be acceptable.
What is the delivery time of Ni80Cr20 Wire?
A: Around 7-20 days, which depends on the quantity and production of Ni80Cr20 Wire.
What kind of package of Ni80Cr20 Wire is it?
A: Generally, we use a carton case or a plywood case with protective material inside to ensure the safety of Ni80Cr20 Wire.
What is the lead time of Ni80Cr20 Wire?
A: From the order placed to cargo receiving will take around 10-25 days.
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