Views: 78 Author: Site Editor Publish Time: 2025-03-28 Origin: Site
Ni 200 (UNS N02200) is a commercially pure wrought nickel alloy, composed of at least 99.6% nickel. Renowned for its exceptional corrosion resistance, high thermal and electrical conductivity, and magnetic properties, Ni 200 is a versatile material used across industries such as chemical processing, electronics, aerospace, and food production.
1. High Purity: 99.6% minimum nickel content ensures reliability in sensitive environments.
2. Corrosion Resistance: Excellent performance in reducing and neutral environments, including alkalis and non-oxidizing acids.
3. Thermal & Electrical Conductivity: Ideal for heat exchangers, electrical components, and sensors.
4. Formability: Easily fabricated via hot/cold working and machining, with post-processing annealing (705–790°C).
5. Magnetic Properties: Suitable for applications requiring ferromagnetic behavior.
Chemical Processing: Equipment for caustic solutions, chlorine handling, and reactor components.
Electronics: Battery casings, semiconductor parts, and conductive springs.
Aerospace: Fuel cell and sensor components.
Food Production: Non-reactive machinery for processing and storage.
Marine: Pump shafts and valves resistant to seawater corrosion.
Ni + Co: ≥ 99.6%
Impurities (max): C (0.15%), Fe (0.40%), Mn (0.35%), S (0.01%).
Density: 8.89 g/cm³
Melting Point: 1435–1446°C
Electrical Resistivity: 0.086 ohm-mm²/m (20°C)
Thermal Conductivity: 70 W/m·K
Tensile Strength: 380–480 MPa
Yield Strength: 100–250 MPa
Elongation: 35–50%
Hardness: ~65 HRB
Thermal Expansion: 13.3 µm/m°C (20–100°C).
Max Operating Temperature: 315°C (higher temperatures risk embrittlement).
Hot Working: 650–1230°C.
Cold Working: Requires intermediate annealing.
Annealing: 705–790°C followed by rapid cooling (air/water).
ASTM: B160 (rod), B161 (tube), B162 (plate).
AMS 5553 (aerospace).
ISO 9723-9725 (international).
Purity: Optimal for corrosive and high-purity applications.
Versatility: Adaptable to diverse industries and fabrication methods.
Proven Reliability: Trusted in critical environments for decades.
Ni 200 balances performance and practicality, making it a cornerstone material for engineers seeking durability and efficiency in demanding applications.
Note: For high-temperature oxidizing environments (>315°C), consider Ni 201 (low-carbon variant) to prevent embrittlement.
