EDS30779 - Lincoln Electric SuperArc LA-100 .045 MIG Wire 44lb Spool

Lincoln Electric SuperArc® LA-100: The Standard for High-Tensile Welding

When the job demands exceptional strength and precision, the Lincoln Electric SuperArc® LA-100 .045" MIG wire stands out as a superior solution. Classified under AWS A5.28 as ER100S-G and ER110S-G, this low alloy steel wire is formulated to weld quenched and tempered steels as well as HY-80 base materials. It is the go-to filler metal for applications where the base material exhibits a tensile strength of approximately 100,000 psi (690 MPa) and a minimum yield strength of 82,000 psi (565 MPa). This makes it indispensable for critical industries such as heavy equipment manufacturing, crane construction, and pressure vessel fabrication.

The metallurgy of the SuperArc® LA-100 is designed to produce welds that are not only strong but also tough. The wire's composition ensures that the weld metal matches the mechanical properties of high-strength low-alloy (HSLA) steels, providing the necessary ductility and impact resistance required in demanding service conditions. The manufacturing process at Lincoln Electric ensures tight tolerances on wire diameter and cast, resulting in consistent feeding characteristics that professional welders rely on for automated and semi-automated processes.

Operational efficiency is enhanced by the wire's copper coating, which serves multiple functions. It protects the wire from oxidation during storage, improves electrical pickup at the contact tip, and promotes smooth arc characteristics. This wire excels in various transfer modes—short-circuiting for thinner sections or out-of-position work, and axial spray or pulsed spray for high-deposition rates on thicker sections. By choosing SuperArc® LA-100, you are investing in a consumable that delivers high-quality X-ray quality welds with minimal post-weld cleanup.

Technical Specifications & Applications:

• AWS Classification: ER100S-G, ER110S-G
• Tensile Strength: 100,000 psi (690 MPa)
• Yield Strength: 82,000 psi (565 MPa)
• Applications: HY-80 steel, quenched and tempered steels, high-strength structural fabrication.
• Transfer Modes: Short-circuit, Globular, Spray, Pulsed Spray.