1.The picture of NiCr electric heating wire Ni80Cr20
NiCr electric heating wire Ni80Cr20 is characterized by high resistivity, stable mechanical properties. Nichrome alloys have higher elongation, better ductility and weldability.
NiCr electric heating wire Ni80Cr20 is widely used for making electric heating elements in home appliances and industrial furnaces. Typical applications are flat irons, ironing machines, water heaters, plastic moulding dies, soldering irons, metal sheathed tubular elements and cartridge elements.
4. Main grades and properties
| Type | Cr20Ni80 | Cr15Ni60 | Cr30Ni70 | Cr20Ni35 | Cr20Ni30 | |
| Main chemical composition | Ni | Rest | 55.0~61.0 | Rest | 34.0~37.0 | 30.0~34.0 |
| Cr | 20.0~23.0 | 15.0~18.0 | 28.0~31.0 | 18.0~21.0 | 18.0~21.0 | |
| Fe | ≤1 | Rest | ≤1 | Rest | Rest | |
| Maximal Temperature(℃) | 1200 | 1150 | 1250 | 1100 | 1100 | |
| Resistance Temperature correction coefficient.(CT) | 1.09±0.05 | 1.11±0.05 | 1.18±0.05 | 1.04±0.05 | 1.06±0.05 | |
| Melting point (℃) | 1400 | 1390 | 1380 | 1390 | 1390 | |
| Resistivityρ20℃(10-6Ω.m) | 800℃ | 1.008 | 1.078 | 1.028 | 1.188 | 1.173 |
| 1000℃ | 1.014 | 1.095 | 1.033 | 1.219 | 1.201 | |
| 1200℃ | 1.025 | 1.043 | ||||
| Fast life value | Tem.(℃) | 1175 | 1100 | 1200 | 1050 | 1050 |
| hour(h) | ≥110 | ≥100 | ≥110 | ≥100 | ≥100 | |
| Specific gravity(g/cm3) | 8.40 | 8.2 | 8.1 | 7.90 | 7.90 | |
| Elongation(%) | ≥25 | ≥25 | ≥20 | ≥20 | ≥20 | |
| Thermal(kj/m.h.℃) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| Specific heat(20℃)j/g.℃ | 0.440 | 0.494 | 0.461 | 0.500 | 0.500 | |
| Extend strength(20~1000℃)α*10-6℃ | 18.0 | 17.0 | 17.1 | 19.0 | 19.0 | |
| Tensile strength(kg/mm2) | >85 | >85 | >85 | >85 | >85 | |
| Repeatedly bending(F/R) | >12 | >12 | >12 | >12 | >12 | |
| Microstructure | Austenitic | Austenitic | Austenitic | Austenitic | Austenitic | |
5. More products for you to choose.
Production line
Testing Equipment
Certification
Packing picture:
Our market
Our advantages and services
a. Our advantage
We can provide high quality material, excellent design, precise manufacturing,complete specifications, considerate and integrity serivices.
We can provide all kinds of electric heating alloy material and elements, including customized products.
We can provide a complete solution for you.
OEM service can be provided.
b. Technical services we can provide:
Product selection
Process optimization
New product development
Contact information: