Silver tungsten electrode

Silver tungsten electrode

Our high-performance electrodes for high-speed automated welding applications include silver-tungsten electrodes made from complex alloys that have the required thermal and electrical conductivity at high temperatures and moderate hardness.

Our silver tungsten electrodes are versatile

Our silver-tungsten electrodes have low reactivity to ferrous metals and have the lowest oxidation tendency of all tungsten-based electrodes, making them ideal for a wide range of welding processes involving stainless steel, mild steel or low alloy steel plates (except galvanized materials) and widely used in automotive body and auto parts applications. Our silver-tungsten electrodes are also suitable for non-ferrous materials such as nickel sheets, combining the ideal properties of silver's low reactivity to nickel with the superior hardness of tungsten at high temperatures. Our silver tungsten products are also used to weld silver and silver alloys, providing superior high temperature resistance.

Common applications for our silver tungsten electrodes include wiring harnesses in automotive electrical components, circuit switches in battery packs, and electrical components in circuit breakers and electrical switch production lines. Our silver tungsten electrodes are also used in the manufacturing process of lithium ion and nickel metal hydride batteries, as well as in the welding of battery tubes. As silver does not readily react with iron and nickel, our silver alloy based tungsten electrode is also used to weld SUS and nickel foils. Other applications include the microelectronics, aerospace, aerospace and advanced metallurgical industries.

Suitable alloy composition

Silver tungsten is an ideal combination of the electrical conductivity of silver and the arc resistance of tungsten. The preferred material grade for our silver tungsten electrode (S35A2) is 35% silver and 65% tungsten with a specific gravity of 14.8 and a hardness of 210 HV. According to the International Standard for Annealed Copper (IACS), the conductivity of the product is 53%; Its resistivity is 3.2 x10^-8^ ω m. For comparison, you can look at the chromium-copper reference material, namely 1% copper, which has a specific gravity of 8.9, a hardness of 150 HV, a conductivity of 80%, and a resistivity of 2.1 x10^-8^ ω m.

Please contact us if necessary: zhang@pride-cnc.com