Supply High Quality nichrome ribbon heating resistance alloy Cr20Ni30 nickel ribbon for Chemical Processing

Alloy Nomenclature Performance
Cr10Ni90
Cr20Ni80
Cr30Ni70
Cr15Ni60
Cr20Ni35 Cr20Ni30
Main Chemical composition
Ni
90
Rest
Rest
55.0-61.0
34.0-37.0 30.0-34.0
Cr
10
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(ºC)
1300
1200
1250
1150
1100 1100
Melting point ℃
1400
1400
1380
1390
1390 1390
Resistivity at 20ºC (μΩ·m)
--
1.09±0.05
1.18±0.05
1.12±0.05
1.00±0.05 1.04±0.05
Density(g/cm3)
8.7
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
Elongation at rupture(%)
≥20
≥20
≥20
≥20
≥20 ≥20
Micrographic structure
--
Austenite
Austenite
Austenite
Austenite Austenite
Magnetic properties
--
Nonmagnetic
Nonmagnetic
Nonmagnetic
Weak magnetic Weak magnetic






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