The ER70S-2 is a high-quality Arc Welding Wire designed for Gas Metal Arc Welding (GMAW/MIG) and Gas Tungsten Arc Welding (GTAW/TIG) processes. As a copper-coated carbon steel filler metal, it is primarily utilized for joining all grades of low-carbon steels. Its formulation is engineered to produce high-integrity welds characterized by minimal porosity and excellent bead appearance. This specific Arc Welding Wire is a fundamental consumable in fabrication, repair, and manufacturing industries where reliable and clean welds are paramount.
The superior performance of this welding wire is attributed to its specific chemical composition. The ER70S-2 classification includes additional deoxidizing elements—such as silicon, manganese, and a small percentage of aluminum, zirconium, and titanium—beyond the standard ER70S-6 formulation. This robust deoxidizing system makes it exceptionally effective at compensating for surface impurities on the base metal, rust or mill scale. This Arc Welding Wire is highly suitable for welding on less-than-perfectly clean surfaces or in situations where extensive pre-cleaning is impractical.
Operational characteristics of the ER70S-2 wire include a smooth and stable arc transfer, which facilitates ease of use for welders of varying skill levels. The wire feeds consistently, minimizing spatter and reducing post-weld cleanup time. The resultant weld deposits exhibit superior mechanical properties, including good tensile strength and ductility, meeting the requirements of the AWS A5.18 standard. The weld metal also demonstrates excellent resistance to solidification cracking, enhancing the overall durability and safety of the welded structure.
This type of filler metal finds extensive application across multiple sectors. It is commonly used in the construction of structural steel frames, the fabrication of automotive components, shipbuilding, and general industrial manufacturing. Its versatility and forgiving nature with marginally contaminated surfaces make it a preferred choice for both workshop and on-site welding operations, ensuring strong, reliable joints in critical carbon steel assemblies.
The ER70S-2 stands as a premium-grade Arc Welding Wire solution for carbon steel applications. Its advanced deoxidizing chemistry, combined with user-friendly welding performance and dependable results, establishes it as an essential consumable for achieving high-quality, durable welds. For projects demanding consistency and strength in joining low-carbon steels, this wire provides a technically sound and widely trusted option.
Post time: Oct-09-2025