- Fe-Cr-Al Alloys
- Nickel-chromium Alloys
- Cn/Mn-Cu Alloys
- Cu-Ni Alloys
- Precision Alloys
- Ni-Al Alloys
- Pure Nickel Alloys
- Monel Alloys
- Hastelloy Alloys
- Inconel Alloys
- Incoloy Alloys
- Haynes Alloys
Nickel-chromium Alloys Flat Strip Cr20Ni30
Overview
Cr20Ni30 Nickel-Chromium Alloy Strip is a high-nickel alloy with 20% chromium and 30% nickel, offering superior high-temperature oxidation resistance, corrosion resistance, and stable high resistivity. Ideal for electric heating elements, high-temperature furnace components, and chemical processing equipment. Customizable thickness (0.05-6mm) and width (5-600mm) to meet demanding industrial applications.
Limiting Chemical Composition, %
Chromium(Cr)..................................................................................................................................20.0
Aluminum(Ni)..................................................................................................................................30.0
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 8.1g/cm³ |
Resistivity |
1.15 μΩ·m (20°C) |
Temperature Range |
-50°C ~ 1150°C |
Temperature Range |
Continuous Service ≤1100°C, Short-Term Peak ≤1200°C (≤24小时) |
Material Properties
● High-Temperature Stability:
Long-term service up to 1150°C with excellent oxidation resistance.
● Corrosion Resistance:
Resistant to chlorides, sulfides, and weak acid environments.
● Electrical Properties:
High resistivity for efficient electric heating applications.
Core Advantages
● High-Temperature Dimensional Stability:
Maintains shape under thermal stress, extending equipment lifespan.
● Versatile Processing:
Compatible with stamping, welding, and coiling processes.
● Cost-Effective:
High performance-to-cost ratio with reduced maintenance.
Typical Applications
● Electric Heating Systems
Industrial furnace wires, household heaters, resistance bands.
● High-Temperature Industry
Heat treatment furnace linings, glass manufacturing equipment, heat exchangers.
● Chemical & Energy
Reactors, corrosion-resistant parts in nuclear power systems.
Technical Specifications
| Parameter | Numeric | Unit |
|---|---|---|
| Melting Point | 1380-1400 | ℃ |
| Tensile Strength | ≥550 | MPa |
| Elongation | ≥35 | % |
| Surface Finish | Bright / Matte / Annealed | - |
| Thickness Range | 0.05-6.0 | mm |
| Width Range | 5-600 | mm |
Applicable Industries
● Electric Heating Manufacturing
● Chemical & Petrochemical
● Energy & Nuclear Power
● Household Appliance
Packaging & Certifications
● Packaging:
Moisture-proof wooden/steel crates with anti-oxidation film and edge protection.
● Certifications:
ISO 9001, RoHS, ASTM B346, EN 10095 compliant.
Why Choose Cr20Ni30?
● Optimized Composition:
High nickel content enhances corrosion and thermal resistance.
● Global Delivery:
Fast turnaround for urgent orders and custom specifications.
● Expert Support:
Material test reports and technical guidance available.
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
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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