Bossweld 70S-4 Mild Steel TIG Welding Rod is a copper-coated TIG filler developed for mild steel fabrication, delivering stable arc characteristics and consistent weld quality. Manufactured to deliver high-strength, clean weld deposits for industrial and fabrication applications.

Key Features:

• Classification AWS A5.18 ER70S-4
• Copper coated TIG filler rods providing oxidation resistance
• Produces high strength weld deposits suitable for structural and pressure applications
• Well suited for root pass welding to support sound weld integrity
• Ideal for mild steel fabrication, repair and general workshop use
• Available in 1 kg and 5 kg packs in 1.6 mm and 2.4 mm diameters