Stable performance Ni70Cr30 Resistance Foil for Heating Element
Description
Model NO.
X30h780
Origin
China
Trademark
Ni70Cr30
HS Code
75062000
Transport Package
Spool, Carton, Wooden Case
Trademark
HUONA
Chemical Composition and Propertes:
Propertes/Grade
NiCr 80/20
NiCr 70/30
NiCr 60/15
NiCr 35/20
NiCr 30/20
Main Chemical Composition(%)
Ni
Bal.
Bal.
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
Bal.
Bal.
Bal.
Max Working Temperature(ºC)
1200
1250
1150
1100
1100
Resistivity at 20ºC (μ Ω · m)
1.09
1.18
1.12
1.04
1.04
Density(g/cm3)
8.4
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
nonmagnetic
nonmagnetic
Details
Chemical Composition
Nickel 70%, Chrome 30%
resistivity:
1.18 ohm mm2/m
Hardness:
Soft, hard or semi-hard
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 coil-forming ability; Uniform and beautiful surface condition without spots.
Usage
Resistance heating elements;Material in metallurgy;Household appliances;Mechanical manufacturing and other industries.