Are you sourcing a reliable, high-purity nickel material for corrosive environments or critical electronic components? Nickel Alloy 270 (UNS N02270) is the definitive answer. This versatile, non-magnetic alloy combines superior resistance to corrosion and oxidation with excellent mechanical properties at elevated temperatures. We supply top-grade Alloy 270 in various forms to meet your precise specifications, ensuring your projects benefit from its unmatched durability and performance. Contact our sales team for a quote and technical data.
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Nickel Alloy 270
Nickel 270 (UNS N02270/W. Nr. 2.4050) is a high-purity grade of nickel made by powder metallurgy. It has low base hardness and high ductility. Its extreme purity is useful for components of hydrogen thyratrons. It is also used for electrical resistance thermometers.
Nickel Alloy 270 (UNS N02270) is one of the purest commercially available wrought nickel alloys, with a nickel content of 99.97% minimum. This exceptional purity grants it a unique combination of properties, including excellent corrosion resistance, high thermal and electrical conductivity, inherent non-magnetic characteristics, and superb machinability and ductility. As your reliable nickel alloy partner, we supply Alloy 270 in various forms and sizes, ensuring optimal performance and reliability for your critical applications.
Limiting Chemical Composition
| Element | Nickel (Ni) | Copper (Cu) | Iron (Fe) | Manganese (Mn) | Carbon (C) | Silicon (Si) | Sulfur (S) |
|---|---|---|---|---|---|---|---|
| Content | ≥ 99.97 | 0.01 max | 0.005 max | 0.001 max | 0.01 max | 0.01 max | 0.001 max |
Products Benefits
Ultra-High Purity: 99.97% minimum nickel content ensures consistent and predictable performance.
Excellent Corrosion Resistance: Demonstrates outstanding resistance to fresh water, seawater, neutral salts, and alkaline solutions, with good resistance to non-oxidizing acids at room temperature.
Superior Thermal & Electrical Conductivity: Its high electrical conductivity makes it ideal for electrical and electronic components, while its high thermal conductivity benefits thermal management applications.
Inherently Non-Magnetic: Completely non-magnetic in all conditions, making it essential for magnetically sensitive equipment (e.g., sensors, marine compasses, medical devices).
Excellent Formability: Possesses high ductility, allowing for easy forming, deep drawing, and stamping via cold or hot working.
Good High-Temperature Performance: Maintains strength and oxidation resistance at elevated temperatures, suitable for vacuum and controlled atmosphere environments.
Products Applications
The unique properties of Nickel Alloy 270 make it the material of choice for several high-end industrial sectors:
Electronics & Electrical: Lead frames, electron tube components, waveguides, crystal supports, relays, and switch parts.
Aerospace: Magnetic shielding, navigation system housings, vacuum tube assemblies, and other critical components requiring non-magnetic properties.
Food & Chemical Processing: Equipment, vessels, and piping for handling caustics, salts, and organics.
Medical Technology: MRI device components, surgical instruments, and implant prototypes.
Scientific Research: Used in laboratory equipment, particle accelerators, and experimental setups requiring extreme purity and stability.
Physical Properties
Density: 8.89 g/cm³ (0.321 lb/in³)
Melting Point: 1435-1445 °C (2615-2633 °F)
Permeability: < 1.0005 (Fully non-magnetic)
Thermal Conductivity: 70 W/m·K (at 20°C)
Electrical Conductivity: 25% IACS (at 20°C)
Typical Mechanical Properties (Annealed Condition)
Tensile Strength: 345 - 485 MPa (50 - 70 ksi)
Yield Strength (0.2% Offset): 70 - 140 MPa (10 - 20 ksi)
Elongation (in 2"): 40% - 50%
Hardness (Rockwell B): 40 - 65 HRB
Available Forms
We maintain a substantial inventory of Nickel Alloy 270 for quick delivery in the following forms:
Bar / Round Bar
Sheet
Strip / Foil
Wire
Tube
Forgings
Why Choose Us as Your Nickel Alloy 270 Supplier?
Quality Assurance: All materials are sourced from reputable mills and come with full Material Test Certificates (MTC).
Extensive Inventory: We hold large stocks of standard specifications to ensure fast delivery for your urgent needs.
Technical Support: Our team of material experts is available to provide technical selection, application consulting, and processing advice.
Competitive Pricing: Leveraging our scale and efficient supply chain, we offer you the most competitive market prices.
Frequently Asked Questions (FAQ)
Q: What is the difference between Nickel Alloy 200 and 270?
A: Both are commercially pure nickel. The main differences lie in carbon content and magnetic properties. Alloy 270 has a lower maximum carbon content (0.02%) and is specially processed to remain completely non-magnetic under all conditions, whereas Alloy 200 may become slightly magnetic after cold working.
Q: Is Alloy 270 easy to weld?
A: Yes, Alloy 270 has good weldability. It can be welded using methods such as Gas Tungsten Arc Welding (GTAW/TIG), Gas Metal Arc Welding (GMAW/MIG), and Shielded Metal Arc Welding.
Q: Can you provide custom sizes?
A: Absolutely. We have advanced cutting and processing equipment to supply custom-finished parts according to your drawing specifications.
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