Basic Info.
Model NO.
NiCr 80/20
The Highest Use Temperature
1200c
Resisivity
1.09+/-3%
Density
8.4 g/cm3
Surface
Bright
Sample
Free
Size
0.03-1.0*0.5-5.0mm
Shape
Strip/Wire/Ribbon/Pipe/Sheet/Bar/Foil
Spool
DIN 80 DIN100 DIN125 DIN160 DIN200
Diameter
0.016mm Min.
Tape Thickness
0.005mm Min.
Transport Package
Wooden Cases or Cartons
Specification
0.3x3.0mm
Trademark
Huona
Origin
China
HS Code
7505220000
Production Capacity
2000 Ton/Year
Product Description
Price/Precision/Electric/Electrical/Heating/Heater/Resistance/Furnace/Element Nichrome 8020 Nickel Chrome/Chromium Alloy Flat Wire (Ni80Cr20/Nicr 80/20)
1. nichrome resistance wire
Ni80Cr20 is a nickel-chromium alloy (NiCr alloy) characterized by high resistivity, good oxidation resistance and very good form stability. It is suitable for use at temperatures up to 1200°C,and hold a superior service life compared to Iron chromium alumium alloys.
Typical applications for Ni80Cr20 are electric heating elements in home appliances,industrial furnaces and resistors(wirewound resistors,metal film resistors), flat irons, ironing machines, water heaters, plastic moulding dies, soldering irons, metal sheathed tubular elements and cartridge elements.
Mechanical Properties of Nichrome 80 wire
| Max Continuous Service Temperature: | 1200ºC |
| Resisivity 20ºC: | 1.09 ohm mm2/m |
| Density: | 8.4 g/cm3 |
| Thermal Conductivity: | 60.3 KJ/m·h·ºC |
| Coefficient of Thermal Expansion: | 18 α×10-6/ºC |
| Melting Point: | 1400ºC |
| Elongation: | Min 20% |
| Micrographic Structure: | Austenite |
| Magnetic Property: | nonmagnetic |
Temperature Factors Of Electrical Resistivity
| 20ºC | 100ºC | 200ºC | 300ºC | 400ºC | 500ºC | 600ºC |
| 1 | 1.006 | 1.012 | 1.018 | 1.025 | 1.026 | 1.018 |
| 700ºC | 800ºC | 900ºC | 1000ºC | 1100ºC | 1200ºC | 1300ºC |
| 1.01 | 1.008 | 1.01 | 1.014 | 1.021 | 1.025 | - |
Style of supply
| Alloys Name | Type | Dimension | |
| Ni80Cr20W | Wire | D=0.016mm~10mm | |
| Ni80Cr20R | Ribbon | W=0.3~5mm | T=0.01~2mm |
| Ni80Cr20S | Strip | W=1~450mm | T=0.005~5.0mm |
| Ni80Cr20B | Bar | Dia=3~100mm | L=50~3000mm |
| Chemical Composition and Main Properties of Nichrome wire | ||||||
| Properties \ Grade | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | NiCr 35/20 | NiCr 30/20 | |
| Main Chemical Composition | Ni | Balance | Balance | 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 | Balance | Balance | Balance | |
| Max Continuous Service Temperature(oC) | 1200 | 1250 | 1150 | 1100 | 1100 | |
| Resisivity 20oC (Ω mm2/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 | Weak magnetic | Weak magnetic | |
| Chemical Composition | Nickel Chrome (Iron) Alloy |
| Surface | Bright,Acid white,Oxidized Color |
| Diameter | 0.016mm~2.0mm in spool, 1.0mm-8.0mm packing in coil, 3.0~100.0mm in rod |
| Nichrome Round Wire | Diameter 0.016mm~10.00mm |
| Nichrome Ribbon | Width: 5.00~0.30mm, thickness: 0.01-2.00mm |
| Nichrome Strip | Width: 1mm~450mm, thickness: 0.005mm~5mm |
| Grade | Ni80Cr20, Ni70Cr30, Ni60Cr15, Ni60Cr23, Ni35Cr20,Ni40Cr20,Ni30Cr20, NiCr20AlSi, Karma |
| Advantage | The metallurgical structure of nichrome |
| confers them a very good plasticity when cold. | |
| Characteristics | Stable performance; Anti-oxidation; Corrosion resistance; |
| High temperature stability; Excellent coilforming ability; | |
| Uniform and beautiful surface condition without spots. | |
| Usage | Resistance heating elements;Material in metallurgy, |
| Household appliances;Mechanical manufacturing and | |
| other industries. |
| Resistance Wires | ||
| RW30 | W.Nr 1.4864 | Iron 45%, Nickel 37%, Chrome 18% |
| RW41 | UNS N07041 | Nickel 50%, Chrome 19%, Cobalt 11%, Molybdenum 10%, Titanium 3% |
| RW45 | W.Nr 2.0842 | Copper 55%,Nickel 45% |
| RW60 | W.Nr 2.4867/UNS NO6004 | Nickel 60%, Chrome 16%, Iron 24% |
| RW80 | W.Nr 2.4869/UNS NO6003 | Nickel 80%, Chrome 20% |
| RW125 | W.Nr 1.4725 | Iron BAL, Chrome 19%, Aluminium 3% |
| RW145 | W.Nr 1.4767 | Iron BAL, Chrome 20%, Aluminium 5% |
| RW155 | Iron BAL, Chrome 27%, Aluminium 7%, Molybdenum 2% | |
2. Nickel wire:
It has good mechanical strength,corrosion-resistant and heat-resistance strength.
It is widely used in electric apparatus,chemical machinery,good processing equipment,rechargeable batteriesomputers, cellular Phone, power tools, camcorders and so on.
Chemical Composition
| Grade | Element Composition/% | |||||||
| Ni+Co | Mn | Cu | Fe | C | Si | Cr | S | |
| Ni201 | ≥99.0 | ≤0.35 | ≤0.25 | ≤0.30 | ≤0.02 | ≤0.3 | ≤0.2 | ≤0.01 |
| Ni200 | ≥99.0 | /≤0.35 | ≤0.25 | ≤0.30 | ≤0.15 | ≤0.3 | ≤0.2 | ≤0.01 |
Propertis
| Density | Melting point | Coefficient of expansion | Modulus of rigidity | Modulus of elasticity | Electrical resistivity | |
| Ni200 | 8.9g/cm3 | 1446°C | 13.3 µm/m °C (20-100°C) | 81kN/mm2 | 204kN/mm2 | 9.6μW• cm |
| Ni201 | 1446°C | 13.1µm/m °C(20-100°C) | 82kN/mm2 | 207kN/mm2 | 8.5μW• cm |
Diameter(mm) | Tolerance(mm) | Diameter(mm) | Tolerance(mm) |
0.03-0.05 | ±0.005 | >0.50-1.00 | ±0.02 |
>0.05-0.10 | ±0.006 | >1.00-3.00 | ±0.03 |
>0.10-0.20 | ±0.008 | >3.00-6.00 | ±0.04 |
>0.20-0.30 | ±0.010 | >6.00-8.00 | ±0.05 |
>0.30-0.50 | ±0.015 | >8.00-12.0 | ±0.4 |
