K4614 Flux Cored Welding Wire Process Flux-Cored Welding (FCAW) Material Carbon Steel Wire Diameter 0.052 in Tensile Strength (As Welded) 89 to 92 ksi (75 Percent Argon/25 Percent Carbon Dioxide) Yield Strength (Minimum Required) 58 ksi Yield Strength (As Welded) 83 to 85 ksi (75 Percent Argon/25 Percent Carbon Dioxide) Spool Type Fiber Spool Series UltraCore HD-M Weight 33 lb For Material Type Carbon Steel to Carbon Steel Wire Type Flux-Cored Shielding Type Gas-Shielded