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OK Flux 281 is an active flux intended for welding gauge thickness and thin steel plate(up to 3/8 in. thick) for butt, lap and fillet welds. Due to the excellent operating characteristics, quality welds with self-peeling slag and free from undercut may be achieved with welding speeds ranging from 50 to 100 inches per minute. *Single pass application only. Any mechanical property and undiluted weld chemistry listed are for information only.

Applications

  • Pipe Construction
  • Railcars
  • Metal Beam Fabrication
  • Tank and Vessel Fabrication
  • Tensile Strength: 92 ksi - 99 ksi
  • Material: Mild Steel, Low Alloy Fluxes
  • Process: Submerged Arc Welding (SAW)
  • AWS Classification: F7AO-EM13K
  • Weld Type: Butt, lap, fillet
  • Welding Speed: 50-100 in/min
  • Thickness Range: up to 3/8 in
  • Country of Origin: United States