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Cr20Ni80 Electrical Resistance Heating Wire CrNi2080 NiCr8020 Alloy
1. Performance: High resistivity, good oxidation resistance, very good form stability, good ductility and excellent weldability.
2. Application: Cr20Ni80/Ni80Cr20 resistance wire is widely used for electric heating elements in home appliances and industrial furnaces. And the typical applications are flat irons, ironing machines, water heaters, plastic moulding dies, soldering irons, metal sheathed tubular elements and cartridge elements.
3. Dimension
Round Wire: 0.05mm-10mm
Flat Wire(Ribbon): Thickness 0.1mm-1.0mm, width 0.5mm-5.0mm
Other sizes are available upon your request.
Nichrome Alloy: Ni80Cr20, Ni70Cr30, Ni60Cr15, Ni35Cr20, Ni30Cr20 etc
Other products: Heating Resistance Alloy, FeCrAl Alloy, CuNi Alloy, Pure Nickel, Thermocouple Wire etc
Main Characteristics of Ni-Cr and Ni-Cr-Fe Electric Heating Alloys
Alloy Nomenclature Performance | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | |
Main Chemical Composition | Ni | Rest | Rest | 55-61 | 34-37 | 30-34 |
Cr | 20-23 | 28-31 | 15-18 | 18-21 | 18-21 | |
Fe | ≤1.0 | ≤1.0 | Rest | Rest | Rest | |
Max. continuous service temp. of element | 1200 | 1250 | 1150 | 1100 | 1100 | |
Resistivity at 20ºC (μΩ·m) | 1.09 | 1.18 | 1.12 | 1.00 | 1.04 | |
Density (g/cm 3 ) | 8.40 | 8.10 | 8.20 | 7.90 | 7.90 | |
Thermal conductivity (KJ/m·h·ºC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Coefficient of lines expansion (α×10 -6 /ºC) | 18.0 | 17.0 | 17.0 | 19.0 | 19.0 | |
Melting point (approx.) (ºC) | 1400 | 1380 | 1390 | 1390 | 1390 | |
Elongation at rupture (%) | >20 | >20 | >20 | >20 | >20 | |
Micrographic structure | Austenlte | Austenlte | Austenlte | Austenlte | Austenlte | |
Magnetic properties | Nonmagnetic | Nonmagnetic | Weak Magnetic | Weak Magnetic | Weak Magnetic |
No. | Spool Model | Outer Diameter (d1) | Trunk Diameter(d2) | Inner Diameter(d3) | Inner Height(L2) | Total height (L1) | Weight of Spool | Rated load weight |
1 | DIN 125 | 125mm | 65mm | 20-25mm | 100mm | 120mm | 0.18kg | 2-3kg |
2 | DIN 160 | 160mm | 99.3mm | 22.03mm | 129mm | 160mm | 0.3kg | 5-7kg |
3 | DIN 200 | 200mm | 125.31mm | 23.06mm | 160mm | 200mm | 0.62-0.66kg | 10-15kg |
4 | DIN 250 | 250mm | 160mm | 20.73mm | 160mm | 200mm | 1kg | 20-25kg |
5 | NS-4 | 118.83mm | 75.4mm | 21.27mm | 129.33mm | 148.14mm | 2-3kg |
1. How can I get a quotation from you?
You can leave us message or send us a email and we will reply every message in time.
Or we may talk on line by skype & wechat.
And you can also find our contact information on contact page.
2. Can I get samples before order?
Yes, of course. Can send you small piece for you to check quality.
3. What is your delivery time?
A. The time of delivery is usually around 7-25 days according to the products you need.
4. What is your payment terms?
Our usual payment term is 30% deposite, and rest against B/L.
L/C is also acceptatble .
5. How can you garantee what I got will be good?
First of all, the material origin in TISCO, JISCO, etc and we can offer MTC from the steel mill.
Also, we accept third-party test.
6. How do you make our business long-term and good relationship?
A. We keep good quality and competitive price to ensure our customers benefit ;
B. We respect every customer as our friend and we sincerely do business and make friends with them no matter where they come from
Looking for resistance wire supplier ? We have a wide selection at good prices to help you get creative. All the resistance wires are quality guaranteed. We are China Origin Factory of resistance wire. If you have any question, please feel free to contact us.