DUROARC 4043 TIG Rod Handy Pack 1kg Size:2.4mm AC Mix: Alternates between AC Safety Glasses AC Mix: Alternates between AC and DC currents to increase welding Adjustable Wrist Strap AWS A510 ER4043DURALLOY 4043 TIG rods are a 5 Silicon alloy aluminium welding wire suitable for TIG welding a wide range of cast wrought alloys containing up to 7 Silicon Duralloy 4043 has excellent flow characteristics and its not recommended for anodizingIt has a lower weld deposit strength but excellent crack resistanceUsed in general construction of furniture and automotive applications where corrosion is not an issueCan also be used for welding aluminum busbars of a similar gradeUse with 100 Argon gas