0.8mm Copper Coated Mild Steel MIG Welding Wire – 5kg Spool (A18 / SG2 / ER70S-6)
Achieve clean, strong and consistent welds with this professional-grade 0.8mm copper coated mild steel MIG welding wire, supplied on a convenient 5kg spool. Whether you're tackling automotive bodywork, general fabrication, construction or repair jobs, this wire delivers reliable performance every time.
 
Why Choose This MIG Wire?
This copper coated mild steel wire is precision layer wound for smooth, tangle-free feeding through your MIG welder. The high-quality copper coating ensures excellent electrical conductivity, reduced tip wear and outstanding arc stability — even on longer runs. Double deoxidized formula minimizes porosity and produces welds with minimal spatter, saving you time on clean-up.
 
Compatible with a Wide Range of MIG Welders
The 5kg spool fits most standard MIG welding machines, including compact hobby welders and professional workshop units. The 200mm diameter spool with approximately 54mm centre bore is designed to drop straight into your machine without adapters.
 
Key Features:
Wire diameter: 0.8mm — the most popular all-round MIG wire size
Spool weight: 5kg
Material: Copper coated mild steel, double deoxidized
Classification: AWS A5.18 ER70S-6 | EN 440 G3Si1 | BS 2901 A18 / SG2
Impact toughness: Down to -20°C
Welding process: MIG / GMAW (Gas Metal Arc Welding)
Shielding gas: Suitable for use with CO₂ or Argon/CO₂ mixed gas
 
Ideal Applications:
Automotive repair and bodywork
General fabrication and metal construction
Structural steelwork and shipbuilding
Tanks, boilers and pipework
Home DIY and hobby welding projects
 
Specifications:
Wire size: 0.8mm
Spool weight: 5kg
Spool diameter: 200mm
Centre bore: ~54mm
Tensile strength: 400 N/mm²
Operating temperature: -20°C to +20°C
 
Upgrade your workshop with a wire that professionals trust. Order your 5kg spool of 0.8mm copper coated mild steel MIG wire today and experience the difference in every weld.