NICKEL
Nickel 200 (UNS N02200)
Commercial Pure Nickel for Standard Corrosion-Resistant Applications
Nickel 200 is the industry standard for commercially pure nickel applications. With 99.02% minimum purity and exceptional corrosion resistance, it serves as the foundation material for countless industrial applications from chemical processing to electroplating.
Quick Specifications
- Nickel Content
- 99.02% minimum (including cobalt)
- Carbon Content
- 0.08% maximum
- Available Forms
- Plate, Sheet, Strip, Rod, Bar, Wire, Tube, Pipe
- Tensile Strength (Annealed)
- 330-440 MPa
- Yield Strength (0.2% offset, Annealed)
- 80-200 MPa
- Elongation (Annealed)
- 45% minimum
Standards & Certifications
Product Description
Nickel 200 is the most widely used grade of commercially pure nickel, offering an excellent balance of corrosion resistance, mechanical properties, and cost-effectiveness. With a minimum purity of 99.02%, it provides outstanding resistance to corrosion from neutral and mildly alkaline solutions, making it suitable for a broad spectrum of industrial applications. The material has been the industry standard for over 70 years and remains the benchmark against which other nickel products are measured.
The production of Nickel 200 involves careful smelting and refining to achieve the required purity levels while maintaining cost competitiveness. The material exhibits excellent ductility in the annealed condition, allowing it to be readily formed, drawn, or rolled into desired shapes. Its superb weldability makes it compatible with most conventional joining methods, and the material can be easily machined to precise tolerances.
Nickel 200 maintains its mechanical properties across an exceptional temperature range, from cryogenic conditions down to -253°C up to elevated service temperatures of approximately 425°C. This thermal stability, combined with its non-magnetic properties and excellent corrosion resistance, makes it invaluable in diverse industrial environments. The material is particularly resistant to alkaline and neutral solutions but has limited resistance to strong acids at elevated temperatures.
Global consumption of Nickel 200 continues to grow across numerous industries including chemical manufacturing, food processing, aerospace, marine applications, and battery technology. The material's proven track record, extensive design data, and well-established manufacturing infrastructure make it the preferred choice for engineers designing corrosion-resistant systems. Its recyclability and sustainable properties further enhance its value proposition for modern manufacturing.
Specifications
| Nickel Content | 99.02% minimum (including cobalt) |
| Carbon Content | 0.08% maximum |
| Available Forms | Plate, Sheet, Strip, Rod, Bar, Wire, Tube, Pipe |
| Tensile Strength (Annealed) | 330-440 MPa |
| Yield Strength (0.2% offset, Annealed) | 80-200 MPa |
| Elongation (Annealed) | 45% minimum |
| Melting Point | 1453°C (2648°F) |
| Density | 8.88 g/cm³ |
| Thermal Conductivity | 90.7 W/m·K at 27°C |
| Electrical Conductivity | 56% IACS |
| Thermal Expansion Coefficient | 13.3 × 10⁻⁶/K (20-100°C) |
| Magnetic Permeability | 1.0 (essentially non-magnetic) |
Chemical Composition
| Element | Content (%) |
|---|---|
| Nickel (Ni) | 99.02 (min) |
| Cobalt (Co) | 0.25 (max, included in Ni total) |
| Carbon (C) | 0.08 (max) |
| Iron (Fe) | 0.15 (max) |
| Copper (Cu) | 0.10 (max) |
| Manganese (Mn) | 0.010 (max) |
| Sulfur (S) | 0.010 (max) |
| Other Elements | 0.05 (max, total) |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength (Cold Rolled, 50% reduction) | 550-750 MPa |
| Yield Strength - Cold Rolled (0.2% offset) | 450-600 MPa |
| Elongation - Cold Rolled | 5-15% |
| Hardness (Annealed, HV) | 80-120 |
| Hardness (Cold Rolled, HV) | 220-280 |
| Modulus of Elasticity | 207 GPa |
| Impact Strength (Charpy, annealed, -196°C) | 80+ J (excellent low-temperature impact) |
| Fatigue Strength (10⁷ cycles) | 170-190 MPa |
Key Features & Advantages
Applications
Chemical Processing Equipment
Extensively used in chemical manufacturing facilities for pumps, heat exchangers, and process vessels handling neutral and alkaline solutions. The material's corrosion resistance extends equipment lifespan and ensures operational safety.
Electroplating and Metal Finishing
Serves as primary material for electroplating anodes and process equipment. The material's purity and excellent current distribution characteristics ensure uniform plating quality and superior coating properties.
Food and Beverage Processing
Employed in food processing equipment, brewery systems, and beverage manufacturing where corrosion resistance and material cleanliness are critical for product quality and regulatory compliance.
Aerospace and Cryogenic Applications
Utilized in aerospace components and cryogenic equipment where the material's low-temperature toughness and thermal stability ensure reliable performance in extreme operating conditions.
Battery and Energy Storage
Applied as current collector material and separator support structure in various battery chemistries. The high electrical conductivity and corrosion resistance ensure efficient battery performance and extended cycle life.
Marine and Offshore Engineering
Specified for marine equipment and desalination plant components where exposure to seawater demands superior corrosion resistance. The material withstands chloride attack better than many stainless steel alternatives.
Frequently Asked Questions
What corrosive environments is Nickel 200 suitable for?
Can Nickel 200 be used at high temperatures?
How does Nickel 200 compare to stainless steel in corrosive applications?
What are the machining characteristics of Nickel 200?
Is Nickel 200 suitable for welding applications?
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