This wire is engineered to provide porosity-free, x-ray quality welds at the highest tensile strength (as welded) of all the plain carbon steel wires. This product requires a shielding gas: CO2 and/or CO2 mix. Typical Wire Chemistry: C: 0.09 Mn: 0.98 Si: 0.59 P: 0.01 S: 0.012 Welding Positions: All Positions Typical Mechanical Properties (As Welded): Yield Strength, Mpa: 420 Tensile Strength, Mpa: 510 % Elongation: 22 Available Diameters: 0.6mm, 0.8mm, 0.9mm, 1.0mm, 1.2mm, 1.4mm & 1.6mm Available Spools: plastic spool and metal basket Available Weight per Unit: 0.9kg, 1kg, 5kg, 12.5kg, 15kg, 20kg, 27kg, 250kg and 350kg.