1. Basic Overview
Ni 200 and Ni 201 are commercially pure nickel alloys.
- Ni 200: general-purpose, low carbon
- Ni 201: low-carbon version for high-temperature applications to avoid embrittlement
2. Chemical Composition (wt%, typical)
| Element | Ni 200 (N02200) | Ni 201 (N02201) |
|---|
| Ni + Co | ≥99.0 | ≥99.0 |
| C | ≤0.15 | ≤0.02 |
| Mn | ≤0.35 | ≤0.35 |
| Si | ≤0.35 | ≤0.35 |
| Fe | ≤0.40 | ≤0.40 |
3. Mechanical Properties (Annealed, Room Temperature)
| Property | Ni 200 | Ni 201 |
|---|
| Tensile Strength | ≥ 380 MPa | ≥ 380 MPa |
| Yield Strength | ≥ 120 MPa | ≥ 120 MPa |
| Elongation | ≥ 35 % | ≥ 35 % |
| Density | 8.90 g/cm³ | 8.90 g/cm³ |
| Melting Range | 1435 – 1446 °C | 1435 – 1446 °C |
Key Features
- Excellent corrosion resistance in neutral, alkaline, and reducing environments
- Outstanding resistance to caustic soda (NaOH)
- Good electrical and thermal conductivity
- Ni 201: suitable for high-temperature service above 315°C
- Magnetic at room temperature
Typical Applications
- Caustic handling equipment
- Food and synthetic fiber processing
- Electronic and electrical components
- Electroplating anodes and cathodes
- Aerospace and chemical processing parts