87318 - Bohler Ecospark 420 0.045" ER70S-6 Copper-Free MIG Wire Drum

Premium Copper-Free MIG Wire for High-Volume Fabrication

The Bohler Ecospark 420 ER70S-6 MIG Wire is a high-performance, non-copper coated solid wire designed to meet the rigorous demands of modern industrial welding. Supplied in a substantial 250kg drum, this 0.045-inch wire is engineered specifically for high-duty cycle applications, including robotic cells and automated manufacturing lines where downtime must be minimized.

Unlike traditional copper-coated wires, the Ecospark 420 features a special surface treatment that eliminates the risk of copper flaking. Copper flakes can accumulate in liners and contact tips, leading to unstable arcs, burn-backs, and frequent maintenance stops. By removing the copper coating, Bohler ensures smooth, uninterrupted feeding over long distances, which is critical for drum-fed systems. Additionally, the absence of copper reduces the formation of welding fumes, contributing to a healthier working environment for welders and shop personnel.

This wire meets AWS A5.18 ER70S-6 classifications, making it suitable for a wide range of mild and fine-grained structural steels. It delivers excellent ignition characteristics and a stable arc, even at high welding parameters. The result is a high-quality weld bead with minimal spatter, reducing the need for post-weld grinding and cleanup. Whether you are welding automotive components, heavy machinery, or structural steel, the Ecospark 420 provides the consistency and reliability required for precision fabrication.

Key Benefits for Industrial Users

• Enhanced Feedability: The special surface finish ensures low friction and consistent feeding, essential for long conduit runs in robotic setups.
• Reduced Maintenance: No copper dust build-up in the torch liner or contact tip extends the life of consumables.
• Eco-Friendly: Lower fume emission rates compared to standard copper-coated wires.
• High Productivity: The 250kg bulk drum minimizes changeover frequency, keeping your production line running longer.