- 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 Bar Cr20Ni30
Overview
Cr20Ni30 Nickel-Chromium Alloy Bar is a high-nickel alloy designed for extreme high-temperature and corrosive environments, excelling in both oxidation and reduction conditions. With outstanding thermal stability, creep resistance, and machinability, it is the top choice for industrial heating elements, chemical reactors, and high-temperature aerospace components.
Limiting Chemical Composition, %
Chromium(Cr)..................................................................................................................................20.0
Aluminum(Ni)..................................................................................................................................30.0
Balance Iron (Fe) & Trace Elements
Material Properties
Density |
about 8.1g/cm³ |
Resistivity |
1.05 μΩ·m (20°C) |
Temperature Range |
Continuous Service 1050°C, Short-Term Peak 1200°C |
Material Properties
● High-Temperature Oxidation Resistance:
Forms a dense oxide layer for protection up to 1150°C.
● Reduction Environment Resistance::
Performs well in sulfur- and chlorine-containing media.
● Low-Temperature Toughness:
Retains ductility even in cryogenic conditions.
Core Advantages
● Superior Comprehensive Performance:
Combines high-temperature strength and corrosion resistance for versatile applications.
● Cost-Efficiency:
Extended service life minimizes downtime and boosts productivity.
● Ease of Processing:
Compatible with forging, machining, welding, and other processes.
Typical Applications
● Heating Elements:
Furnace rollers, radiant tubes, burner nozzles.
● Chemical Equipment:
Reactor agitators, high-temperature valves, pyrolysis furnace parts.
● Energy Sector:
Nuclear heat exchangers, gas turbine components.
Technical Specifications
Parameter | Numeric | Unit |
---|---|---|
Melting Point | 1370-1420 | ℃ |
Tensile Strength | ≥550 | MPa |
Elongation | ≥35 | % |
Surface Finish | Bright / Sandblasted | - |
Thickness Range | 5.0-150.0 | mm |
Width Range | 15-400 | mm |
Applicable Industries
● Chemical Processing
● Nuclear & Power Generation
● Thermal Processing Equipment
● Semiconductor Manufacturing
● Environmental Engineering
Packaging & Certifications
● Packaging:
Anti-rust paper wrapping + reinforced wooden crates for safe shipping.
● Certifications:
Compliant with ASTM B166, ASME SB166; third-party testing available.
Why Choose This Product?
● Precise Composition
Strict control of Ni/Cr ratio guarantees consistent performance.
● Global Supply:
Bulk orders and fast delivery available worldwide.
● Eco-Friendly Compliance:
Meets RoHS and REACH regulations.
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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