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RA330 Nickel-Chromium High-Temperature Alloy Wire
A premium austenitic alloy wire designed for extreme heat and corrosion resistance in industrial applications.
- Material Type:Austenitic nickel-chromium-iron alloy (non-magnetic)
- Key Advantages:High strength retention at elevated temperatures
- Density:8.0 g/cm³
- Melting Range:1318–1427°C
Chemical Composition (wt%)
Element | Content (%) | Role |
Ni (Nickel) | 34.0–37.0 | Enhances high-temperature stability and corrosion resistance |
Cr (Chromium) | 18.0–20.0 | Forms protective oxide layer for oxidation resistance |
Si (Silicon) | 1.0–1.5 | Improves high-temperature strength |
C (Carbon) | ≤0.08 | Controls hardness and weldability |
Mn (Manganese) | ≤2.0 | Aids in deoxidation and hot workability |
Cu (Copper) | ≤1.0 | Enhances corrosion resistance in specific environments |
P (Phosphorus) | ≤0.03 | Minimizes brittleness |
S (Sulfur) | ≤0.03 | Improves machinability |
Fe (Iron) | Balance | Base metal |
Surface Treatment
- Standard Finish:Solution-annealed (bright or pickled surface)
- Optional Treatments:Custom coatings (e.g., nickel plating) upon request
Why Choose Us ?
- Certified Production:Complies with AMS 5592, ASTM B 511, EN 10095 standards
- Global Supply:Stocked in diameters Φ5.5–25mm (coils or straight lengths)
- Quality Assurance:100% ultrasonic testing and mechanical property verification
Applications & Industries
Aerospace:
High-power density actuators.
Electronics:
Precision sensors & MEMS components.
Energy:
Magnetic coupling devices for turbines.
Frequently Asked Questions
Q1: Can RA330 wire be welded?
A: Yes, using standard methods (TIG, MIG) with matching filler metals.
Q2: What is the maximum operating temperature?
A: 1150°C (2100°F) for continuous service; 1200°C (2192°F) for short-term.
Q3: How does RA330 compare to 316 stainless steel?
A: RA330 offers superior high-temperature strength and carburization resistance.
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