Mig Wire SG2 - 5kg Reel by Weldfast 0.6mm - £19.06 0.8mm - £14.18 1mm - £14.71 0.6mm 0.8mm 1mm Size 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Call For Price Copper coated mild steel welding wire suitable for welding low and medium tensile steels. AWS A5.18 SG2 G3Si1