- Fe-Cr-Al Alloys
- Nickel-chromium Alloys
- Cn/Mn-Cu Alloys
- Cu-Ni Alloys
-
Precision Alloys
- Wire
- 1J330(1J30)
- 1J331(1J31)
- 1J332(1J32)
- 1J338(1J38)
- 1J350(1J50)
- 1J479(1J79)
- 1J485(1J85)
- 4J332(4J32)
- 4J332A(4J32A)
- 4J328(4j34)
- 4J329(4J29)
- 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)
- Flat Wire
- 1J330(1J30)
- 1J331(1J31)
- 1J332(1J32)
- 1J338(1J38)
- 1J350(1J50)
- 1J479(1J79)
- 1J485(1J85)
- 4J332(4J32)
- 4J332A(4J32A)
- 4J328(4j34)
- 4J329(4J29)
- 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)
- Flat Strip
- 1J330(1J30)
- 1J331(1J31)
- 1J332(1J32)
- 1J338(1J38)
- 1J350(1J50)
- 1J479(1J79)
- 1J485(1J85)
- 4J332(4J32)
- 4J332A(4J32A)
- 4J328(4j34)
- 4J329(4J29)
- 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)
- Bar
- 1J330(1J30)
- 1J331(1J31)
- 1J332(1J32)
- 1J338(1J38)
- 1J350(1J50)
- 1J479(1J79)
- 1J485(1J85)
- 4J332(4J32)
- 4J332A(4J32A)
- 4J328(4j34)
- 4J329(4J29)
- 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)
- Wire
- Ni-Al Alloys
- Pure Nickel Alloys
- Monel Alloys
- Hastelloy Alloys
- Inconel Alloys
- Incoloy Alloys
- Haynes Alloys
Nickel-chromium Alloys Wire Cr20Ni30
Overview
Cr20Ni30 nickel chromium alloy round wire is a versatile heating material known for its superior heat resistance and mechanical strength. It is commonly used in heating coils, resistors, and high-temperature industrial equipment, providing consistent performance and long service life.
Limiting Chemical Composition, %
Chromium(Cr)..................................................................................................................................20.0
Nickel(Ni).........................................................................................................................................30.0
Balance Iron (Fe) & Trace Elements
Material Characteristics
Density |
about 8.1g/cm³ |
Resistivity |
1.18 μΩ·m(20℃) |
Temperature Range |
Continuous Service 950℃~1100℃, Short-Term Peak 1150℃ |
Key Advantages
● Rapid Thermal Response:
High resistivity enables fast heating, improving energy efficiency by 15% compared to similar alloys.
● Balanced Corrosion Resistance:
Optimized Cr/Ni ratio (20/30) provides oxidation and sulfurization resistance in harsh industrial atmospheres
● Mechanical Stability:
Superior ductility and thermal shock resistance minimize fracture risks during fabrication and operation.
Typical Applications
● Industrial Heating Systems:
Spiral heating wires for hot air circulation furnaces, powder metallurgy sintering furnaces, and industrial ovens.
● Household Appliance Components:
Heating coils and resistance wires for water heaters, electric ovens, and coffee machines.
● Chemical Heating Systems:
Heating elements for reactors and pipeline trace heating in corrosive gas environments.
Material Characteristics
Parameter | Numeric | Unit |
---|---|---|
Melting Point | 1380-1400 | ℃ |
Tensile Strength | ≥620 | MPa |
Elongation | ≥25 | % |
Surface Finish | Bright/Annealed | - |
Diameter Range | 0.2-5.0 | mm |
Target Industries
● Industrial Heat Treatment
● Household Appliance Manufacturing
● Chemical & Petrochemical Processing
● New Energy Equipment
Packaging & Certifications
● Packaging:
Anti-oxidation vacuum packaging/custom spools, ≤300m/coil (cutting service available).
● Certifications:
ISO 9001, RoHS, REACH Compliance.
Why Choose Cr20Ni30?
● Multi-Scenario Adaptability:
Covers medium-to-high temperature heating needs from appliances to heavy industry, simplifying procurement.
● Mature Processing:
Cold drawing + annealing ensure surface finish and dimensional accuracy (±0.02mm 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
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