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Low Alloy Wires and Rods

For welding applications spanning industries from energy to heavy-equipment manufacturing and structural steel projects, companies have come to rely on low-alloy steels for their mechanical and chemical properties. These metals offer increased strength and toughness, the ability to maintain strength and resist creep (that is, resist distortion under load) at high temperature, and a resistance to atmospheric corrosion.

Low-alloy steels get their mechanical and chemical properties from the addition of alloying elements, including nickel, chromium, molybdenum, and manganese. Less commonly, filler metal manufacturers may add vanadium or copper. Each element provides a distinct benefit. Nickel provides toughness, chromium offers creep resistance and high-temperature strength, and manganese offers hardenability and deoxidizing properties. Molybdenum also offers hardenability, in addition to high-temperature strength.

Range of welding materials (SFA-AWS A5.18): ER70S-3, ER70S-4, ER70S-6

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