Nickel 200 Washers: Properties, Applications, and Benefits

Nickel 200 washers are an essential component in numerous industrial applications where corrosion resistance, high thermal conductivity, and mechanical integrity are critical. Made from commercially pure wrought nickel (99.6% minimum), Nickel 200 is a highly versatile material that offers a combination of outstanding physical and chemical properties, making it ideal for washers used in demanding environments.

What Are Nickel 200 Washers?

Nickel 200 washers are flat, disk-shaped components manufactured from Nickel 200 alloy. These washers are used to distribute the load of a threaded fastener, such as a screw or nut. Their primary role is to reduce surface wear and provide a stable bearing surface, while their material properties ensure long-term performance even under extreme conditions.

Key Properties of Nickel 200

Nickel 200 boasts a range of desirable characteristics, making it ideal for use in harsh or corrosive environments:

• High Corrosion Resistance: Especially effective in caustic alkalis, neutral and alkaline salt solutions.
• Excellent Electrical and Thermal Conductivity: Suitable for electrical and electronic applications.
• Magnetic and Ductile: Offers excellent formability and mechanical strength at both high and low temperatures.
• Low Gas Content and High Purity: Minimizes contamination and degradation in high-purity processes such as food processing or electronics.

Common Applications of Nickel 200 Washers

Nickel 200 washers are used in a wide range of industries due to their resilience and performance characteristics. Common applications include:

• Chemical Processing Plants: Used in reactors, piping, and storage tanks handling corrosive substances.
• Marine Environments: Offers resistance to saltwater corrosion, making them ideal for shipbuilding and offshore platforms.
• Electronics Industry: Their high electrical conductivity makes them suitable for connectors, terminals, and EMI shielding.
• Food Processing Equipment: Non-reactive nature ensures safety in food-grade applications.
• Aerospace and Defense: Used in environments requiring durability and corrosion resistance under high stress.

Advantages of Using Nickel 200 Washers

Choosing Nickel 200 washers can provide several distinct benefits over standard stainless steel or coated alternatives:

• Extended Service Life: Superior corrosion resistance leads to reduced maintenance and longer life span.
• Stable Under Extreme Temperatures: Remains ductile and strong even in sub-zero or elevated temperatures.
• Compatibility with Caustic Environments: Ideal for applications involving harsh chemicals and alkaline solutions.
• Low Magnetism: Useful in sensitive electronic applications or environments requiring minimal magnetic interference.

Selecting the Right Nickel 200 Washer

When choosing Nickel 200 washers, consider the following:

• Size and Thickness: Based on the load and space requirements.
• Type (Flat, Spring, Lock): Depending on the mechanical demands and fastening application.
• Finish and Tolerance: Precision-engineered washers offer better performance and fit.