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Nickel-chromium Alloys Wire Cr20Ni35
Overview
Cr20Ni35 nickel chromium alloy round wire is engineered for precision heating applications. It offers excellent thermal stability and oxidation resistance, making it ideal for electric heaters, thermocouples, and other high-temperature devices.
Limiting Chemical Composition, %
Chromium(Cr)..................................................................................................................................20.0
Nickel(Ni).........................................................................................................................................35.0
Balance Iron (Fe) & Trace Elements
Main Properties
| Alloy Nomenclature → | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | Cr25Ni20 | |
| Performance ↓ | |||||||
| Main chemical composition | Ni | Rest | Rest | 55-61 | 34-37 | 30-34 | 19-22 |
| Cr | 20-23 | 28-31 | 15-18 | 18-21 | 18-21 | 23-27 | |
| Fe | ≤1.0 | ≤1.0 | Rest | Rest | Rest | Rest | |
| Max.Continuous service temp.of element(℃) |
1200 | 1250 | 1150 | 1100 | 1100 | 950 | |
| (Ω·mm²/m) Resistivity at20℃ |
1.09 | 1.18 | 1.12 | 1.04 | 1.04 | 0.96 | Density(g/cm³) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | 8 |
Material Characteristics
Density |
about 8.3g/cm³ |
Resistivity |
1.25 μΩ·m (20℃) |
Temperature Range |
Continuous Service 1050℃~1200℃, Short-Term Peak 1300℃ |
Key Advantages
● Ultra-High Temperature Stability:
35% nickel enhances creep resistance, ideal for extreme environments above 1200℃.
● Superior Thermal Fatigue Resistance:
Maintains structural integrity under cyclic thermal stress, extending equipment lifespan.
● Versatile Corrosion Resistance:
Performs well in oxidizing, reducing, and sulfur-rich atmospheres for complex industrial applications.
Typical Applications
● High-Temperature Melting Systems:
Heating wires and radiant tubes for nickel-based alloy smelting furnaces and titanium vacuum furnaces.
● Chemical Reactors:
Resistance heating elements and catalyst supports for high-pressure reactors.
● Energy & Power:
Combustion chamber heating elements for gas turbines, high-temperature sensor leads in nuclear plants.
Material Characteristics
| Parameter | Numeric | Unit |
|---|---|---|
| Melting Point | 1420-1450 | ℃ |
| Tensile Strength | ≥700 | MPa |
| Elongation | ≥18 | % |
| Surface Finish | Bright/Sandblasted | - |
| Diameter Range | 0.5-8.0 | mm |
Target Industries
● Specialty Metal Smelting
● Chemical & Petrochemical
● Energy & Nuclear Power
● Aerospace
Packaging & Certifications
● Packaging:
Inert gas-protected spools/custom pallets, ≤200m/coil (laser-marked batch tracking).
● Certifications:
ASTM B603, ASME SB166, ISO 18274, Compliant with EU PED Directive.
Why Choose Cr20Ni35?
● Extreme Environment Expertise:
Engineered for ultra-high temperatures and corrosive dual challenges, cost-effective alternative to platinum-group metals.
● Custom Solutions:
Non-round profiles (flat/square wires), pre-oxidized finishes, and tailored alloy adjustments (±2% composition tolerance).
Available Forms
We provide you with a variety of product forms, including but not limited to
● Strip & Foil
● Round Wire &Flat Wire
● Bar & Rod
● Electrothermal Strip
● Flange & Ring
● Wire & Welding
● Reststance Wire
● Electric Alloy Wire
● Electric Furnace Bar
● Customize
description2

1Cr13Al4
0Cr15Al5
0Cr19Al2
0Cr21Al4
0Cr21Al6
0Cr25Al5
0Cr21Al6Nb
0Cr27Al7Mo2
1Cr13Al4
0Cr15Al5
0Cr19Al2
0Cr21Al4
0Cr21Al6
0Cr25Al5
0Cr21Al6Nb
0Cr27Al7Mo2
1Cr13Al4
0Cr15Al5
0Cr19Al2
0Cr21Al4
0Cr21Al6
0Cr25Al5
0Cr21Al6Nb
0Cr27Al7Mo2
1Cr13Al4
0Cr15Al5
0Cr19Al2
0Cr21Al4
0Cr21Al6
0Cr25Al5
0Cr21Al6Nb
0Cr27Al7Mo2
1Cr13Al4
0Cr15Al5
0Cr19Al2
0Cr21Al4
0Cr21Al6
0Cr25Al5
0Cr21Al6Nb
0Cr27Al7Mo2
1Cr13Al4
0Cr15Al5
0Cr19Al2
0Cr21Al4
0Cr21Al6
0Cr25Al5
0Cr21Al6Nb
0Cr27Al7Mo2
6J12
6J8
6J13
6J40
CuMn7SN
CuMn30Ni5
6J12
6J8
6J13
6J40
CuMn7SN
CuMn30Ni5
6J12
6J8
6J13
6J40
CuMn7SN
CuMn30Ni5
6J12
6J8
6J13
6J40
CuMn7SN
CuMn30Ni5
CuNi30
CuNi34
CuNi44
CuNi30
CuNi34
CuNi44
CuNi30
CuNi34
CuNi44
CuNi30
CuNi34
CuNi44
4J336(4J36)
4J342(4J42)
4J343(4J43)
4J352(4J49)
4J350(4J50)
6J415(6J15)
6J420(6J20)
6J422(6J22)
6J423(6J23)
6J424(6J24)
6J425(6J25)
6J426(6J26)
6J520(6J27)
4J336(4J36)
4J342(4J42)
4J343(4J43)
4J352(4J49)
4J350(4J50)
6J415(6J15)
6J420(6J20)
6J422(6J22)
6J423(6J23)
6J424(6J24)
6J425(6J25)
6J426(6J26)
6J520(6J27)
4J336(4J36)
4J342(4J42)
4J343(4J43)
4J352(4J49)
4J350(4J50)
6J415(6J15)
6J420(6J20)
6J422(6J22)
6J423(6J23)
6J424(6J24)
6J425(6J25)
6J426(6J26)
6J520(6J27)
6J525(6J28)
4J336(4J36)
4J342(4J42)
4J343(4J43)
4J352(4J49)
4J350(4J50)
6J415(6J15)
6J420(6J20)
6J422(6J22)
6J423(6J23)
6J424(6J24)
6J425(6J25)
6J426(6J26)
6J520(6J27)
6J525(6J28)
Ni95Al5
monel 400
monel R405
monel K500
monel 502
monel 400
monel R405
monel K500
monel 502
monel R405
monel K500
monel 502
Hastelloy C-22
Hastelloy C-22
Hastelloy C-22
Inconel 800
Inconel 800H
Inconel 800HT
Inconel 825
Inconel 800
Inconel 800H
Inconel 800HT
Inconel 825
Inconel 800
Inconel 800H
Inconel 800HT
Inconel 825
Strip & Foil
Round Wire
Bar & Rod
Electrothermal strip
Bolts & Fasteners
Flange & Ring
Wire & Welding
Reststance wire & flat wire
Electric alloy wire
Electric furnace wire