S2-035 - ER70S-2 Triple Deoxidized TIG Welding Rod 0.035 x 36 Inch

Premium ER70S-2 Mild Steel TIG Welding Rods

The ER70S-2 TIG Welding Rod (0.035" diameter) is a high-performance mild steel filler metal designed for the Gas Tungsten Arc Welding (GTAW) process. Distinguished by its "triple deoxidized" chemistry, this rod contains specific additions of Zirconium, Titanium, and Aluminum, along with the standard Silicon and Manganese found in other steel wires. This unique chemical composition makes ER70S-2 the industry standard for welding on surfaces that may contain rust, mill scale, oil, or other contaminants where porosity is a concern.

Industrial fabricators and pipe welders rely on ER70S-2 for its ability to produce X-ray quality welds even under less-than-ideal conditions. The 0.035-inch diameter is particularly versatile, offering excellent control for root passes in pipe welding or for joining thin-gauge sheet metal where heat input must be carefully managed. The rod flows smoothly and wets out evenly, creating a flat bead profile that requires minimal post-weld grinding or finishing.

This filler metal is suitable for all-position welding and is commonly used with 100% Argon shielding gas. It provides a tensile strength of at least 70,000 PSI, meeting the rigorous demands of structural steel, pressure vessels, and automotive components. Whether used for maintenance repair operations (MRO) or production manufacturing, the ER70S-2 ensures defect-free deposits and superior mechanical properties.

Key Technical Specifications

• Classification: AWS A5.18 ER70S-2
• Diameter: 0.035" (0.9mm)
• Length: 36" (914mm)
• Deoxidizers: Al, Ti, Zr (Triple Deoxidized)