Industry Knowledge

--Exploring Pure Nickel and Alloy Options for Diverse Applications

Nickel wire offers high corrosion resistance and temperature stability across various grades. Learn about Nickel 200, 201, 205, 270, and alloy options to choose the right material for your needs.

With excellent corrosion resistance and high-temperature stability, nickel wire is a versatile material used in a wide range of applications. different grades of nickel wire are available to meet different needs and to help you choose the right material for a specific application, we will take you through the different grades of nickel wire below.

Different grades of nickel wire

Nickel wire usually refers to pure nickel wire, usually with a nickel content of 99% or more, high purity, high corrosion resistance, high-temperature performance, and high electrical conductivity.

Based on its properties and chemical composition, nickel wire is divided into several grades. The following are common nickel wires.

- Nickel 200: Pure nickel wire with a minimum nickel content of 99.6%. High electrical conductivity in electronic and electrical applications; excellent corrosion resistance in alkaline, acidic and neutral salt solutions; good mechanical properties at both high and low temperatures. Used in electrical and electronic components, food processing equipment, and chemical equipment.

- Nickel 201: Pure nickel wire containing a minimum of 99.6% nickel. However, unlike Nickel 200, the carbon content is lower (less than 0.02%). Suitable for applications requiring higher heat resistance and better creep resistance in high temperature applications such as heat exchangers, petroleum refining (catalytic cracking units) and caustic production (caustic soda evaporators).

- Nickel 205: A small amount of magnesium and titanium has been added to Nickel 200. Mechanical properties (strength and hardness) are improved, corrosion resistance is enhanced and it excels in chlorinated environments. Typically used in applications where high strength and conductivity are required, such as battery manufacture and electronic components; used as a base material in the manufacture of special alloys.

- Nickel 270: Higher purity than the previous three nickel wires, containing over 99.97% nickel, with excellent resistance to oxidation and corrosion. The ultra-high purity of Nickel 270 reduces the effect of impurities on the performance of the material, and it has very high ductility and electrical conductivity, making it suitable for use in areas where ultra-pure materials are required. It is widely used in scientific instruments, vacuum tubes, high-end electronics, and research equipment.

In addition to pure nickel wire, nickel alloy wire is also a common wire. To meet the requirements of special applications, it is alloyed with chromium, iron, molybdenum, copper, and other metal elements (mixed to enhance its specific properties). These include high-temperature alloys (Alloy 600, Alloy 625, Alloy X), corrosion-resistant alloys (Alloy 400, Alloy 825, Alloy c276), precision alloys, elasticity alloys, and alloys for special applications.

Selecting the right grade of nickel wire

Selecting the correct grade of nickel wire or nickel alloy wire is an important part of ensuring that the material is suitable for a particular application. During the selection process, factors such as temperature and corrosion resistance of the operating environment, physical and mechanical properties, economic cost and life, processability, industry standards, environmental protection, and safety need to be considered.

Communication with material suppliers and technical experts can also provide additional expertise, so please do not hesitate to contact MTSCO about different grades of nickel wire to ensure you select the right material for your application.