EX100S1000093TL00 - Exocor ER100S-1 High Strength TIG Rod 3/32" (10lb Tube)

High-Performance ER100S-1 TIG Welding Rods

The Exocor ER100S-1 TIG Rod is a premium low-alloy steel filler metal designed for the Gas Tungsten Arc Welding (GTAW) of high-strength steels. Engineered to meet the rigorous AWS A5.28 specifications, this rod produces weld deposits with a minimum tensile strength of 100,000 psi (690 MPa). It is specifically formulated with a precise balance of manganese, silicon, nickel, and molybdenum to provide excellent mechanical properties, including superior ductility and high impact toughness even at sub-zero temperatures. This makes it an ideal choice for critical structural applications where failure is not an option.

This 3/32-inch diameter rod comes in a 36-inch cut length, packaged in a durable 10 lb tube to protect against moisture and contamination. The ER100S-1 classification indicates its suitability for welding quenched and tempered steels such as HY-80, HY-100, and ASTM A514 (T-1) steels. These base metals are commonly found in heavy machinery, military equipment, and offshore structures requiring exceptional yield strength. The wire's composition ensures that the weld metal matches or exceeds the mechanical properties of these base materials, providing a seamless and durable bond.

Metallurgically, the addition of nickel and molybdenum enhances the hardenability and toughness of the weld metal. This allows the Exocor ER100S-1 to maintain its integrity under high stress and dynamic loading conditions. Fabricators rely on this rod for its consistent chemistry and clean surface finish, which promotes stable arc characteristics and minimizes the risk of porosity or inclusions in the final weld. Whether used for original fabrication or repair of high-tensile components, this TIG rod delivers professional-grade results.

Proper storage and handling are essential for low-alloy wires to prevent hydrogen-induced cracking, although TIG welding is generally less susceptible than other processes. The 10 lb tube packaging offers convenient storage and transport for shop or field environments. When welding with ER100S-1, 100% Argon is the standard shielding gas, ensuring a clean, oxidation-free weld pool. Preheating and interpass temperature controls are often recommended when welding high-strength base materials to ensure optimal mechanical properties and prevent cracking in the heat-affected zone.