ASME SB163 Ni200 Nickel / Nickel Alloy Steel Heat Exchanger Tube
Grade Ni200 is a commercially pure wrought nickel with a nickel content of at least 99.6%. It is known for its excellent mechanical properties, corrosion resistance, and high thermal and electrical conductivity. Ni200 is highly ductile and can withstand a wide range of temperatures, making it suitable for various industrial applications.
Chemical Composition:
| Grade | Ni | Cu | Fe | Mn | Si | C | S |
| Ni200 | ≥ 99.0% | ≤ 0.25% | ≤ 0.40% | ≤ 0.35% | ≤ 0.35% | ≤ 0.15% | ≤ 0.01% |
Mechanical Properties:
| Grade | Tensile Strength | Yield Strength | Elongation | Hardness |
| Ni200 | Minimum 462 MPa (67,000 psi) | Minimum 148 MPa (21,500 psi) | 40% minimum in 50 mm | Maximum 70 HRB (Rockwell Hardness B) |
Key Features:
- Corrosion Resistance: Excellent resistance to a wide range of corrosive environments, including acids, alkalis, and neutral salts.
- Thermal Conductivity: High thermal conductivity, making it effective for heat transfer applications.
- Electrical Conductivity: High electrical conductivity, suitable for electrical and electronic components.
- Ductility: Highly ductile, allowing for easy fabrication and forming.
Applications:
1. Chemical Processing Industry
- Heat Exchangers: Used in heat exchangers where resistance to corrosive chemicals, including acids and alkalis, is essential.
- Reactors and Pressure Vessels: Suitable for reactors and pressure vessels dealing with highly corrosive substances.
- Piping Systems: Ideal for piping systems that transport aggressive chemicals at various temperatures and pressures.
2. Petrochemical Industry
- Catalyst Supports: Used in catalyst supports due to its chemical stability and resistance to high temperatures.
- Heat Exchangers: Suitable for heat exchangers in petrochemical plants where exposure to corrosive substances is common.
- Distillation Columns: Ideal for components in distillation columns handling aggressive chemicals.
3. Marine Applications
- Seawater Systems: Used in marine environments for seawater cooling and heating systems due to its excellent resistance to corrosion.
- Shipbuilding: Suitable for shipbuilding where components are exposed to seawater and must resist corrosion.
- Desalination Plants: Ideal for desalination plant tubing where high resistance to saline environments is necessary.
