NiCr8020 Nichrome Strip/Nickel Allloy Sheet
Nichrome Alloy Strip(NiCr 80/20)
Chemical Composition: 80% nickel, 20% chrome
Resisvity: 1.09 ohm mm2/m,
Hardness: Soft, hard or semi-hard
Characteristics: Stable performance; Anti-oxidation; Corrosion resistance; High temperature stability; Excellent coil-forming ability; Uniform and beautiful surface condition without spots.
Usage: Resistance heating elements; Material in metallurgy; Household appliances; Mechanical manufacturing and other industries.
We professionally produce nickel-base alloy tape, include Ni80Cr20, Ni60Cr23, Ni60Cr16, Ni35Cr20, Ni20Cr25, NiMn, Ni200, Karma, Evanohm, NCHW, etc.
Properties/Grade |
Cr20Ni80 |
Cr30Ni70 |
Cr15Ni60 |
Cr20Ni35 |
Cr20Ni30 |
Main Chemical composition |
Ni |
Rest |
Rest |
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 |
Rest |
Rest |
Rest |
Max. continuous service temp. of element |
1200 |
1250 |
1150 |
1100 |
1100 |
Resistivity at 20oC (μ Ω · m) |
1.09 |
1.18 |
1.12 |
1.04 |
1.04 |
Density (g/cm3) |
8.40 |
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 |
austenite |
austenite |
austenite |
austenite |
austenite |
Magnetic properties |
nonmagnetic |
nonmagnetic |
nonmagnetic |
nonmagnetic |
nonmagnetic |