Answer
Oct 01, 2025 - 04:25 AM
The recommended shielding gas affects weld quality, spatter, and mechanical properties. Some flux core welding wire is optimized for 100% CO2, others for mixed gases (like 75-95% Argon/CO2). Having a choice allows you to tailor the process for cost, bead appearance, and required strength. For instance, Outershield 91K2-H is designed for 75-95% Argon/CO2, while UltraCore HD-C is intended for 100% CO2. Multiple gas recommendations mean you can find a product to match your available resources and desired results.
