Resistance Heater Alloy Nicr 80/20 60/15 70/30 35/20 Nichrome Strip
Product Description
Chemical Composition: 35.00 Nickel, 20.00 Chrome, Bal. Fe
Resistivity: 1.04 ohm mm2/m
Shape: Strip, Sheet, Tape, Ribbon,Plate
Dimension: Thickness 0.01mm-7mm Width 1mm-470mm
Package: Coil Form
Max continuous service temperature: 1100º C
Melting point: 1390º C
Surface: BA, 2B, pre-oxidation
Hardness: Soft, half hard, hard
Nichrome strip/China, Nichrome sheet/China
Shanghai TANKII ALLOY MATERIAL Co., Ltd
Try to make the best quality and supply the best service
Product Description
Our resistance wire(heating wire) used at operating temperatures up to 1200. Its chemical composition gives good oxidation resistance especially under conditions of frequent switching or wide temperature fluctuations.
Applications include heating elements in both domestic and industrial appliances and in control resistors.
Purposes: Ni-Cr materials are widely used in industrial electric furnaces, household appliances and far-infrared devices because of their high temperature strength and strong plasticity.
Alloy Nomenclature/Performance
|
|
NiCr8.20
|
NiCr70 30
|
NiCr60 15
|
NiCr35 20
|
NiCr30 20
|
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
|
1.04
|
Density (g/cm 3 )
|
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 lines expansion(α × 10-6/oC)
|
18
|
17
|
17
|
19
|
19
|
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
|
Weak magnetic
|
Weak magnetic
|