OK Flux 281

ESAB

OK Flux 281

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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.

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Industries

  • Pipe Construction
  • Railcars
  • Tank and Vessel Fabrication
  • Metal Beam Fabrication

Welding Process

  • SAW - Submerged Arc Welding
OK Flux 281

Documents


Typical Weld Metal Analysis %

Weld Metal Analysis
Element S P Mn C Mn Si S C Si P
Nominal Percentage 0.01 % 0.02 % 1.80 % 0.07 % 1.80 % 1.00 % 0.01 % 0.07 % 0.90 % 0.03 %
Wire Spoolarc 81 Spoolarc 29S Spoolarc 81 Spoolarc 29S Spoolarc 29S Spoolarc 29S Spoolarc 29S Spoolarc 81 Spoolarc 81 Spoolarc 81

Classifications

AWS - As Welded F7A0-EM13K
AWS/EN AWS A5.17: EM13K
Wire Spoolarc 29S
AWS - As Welded F7A0-EM12K
AWS/EN AWS A5.17: EM12K
Wire Spoolarc 81

Classifications

Name ASME SFA 5.17
Grade F7AO-EM12K
Name AWS A5.17
Grade F7AO-EM13K
Name AWS A5.17

Typical Mechanical Properties

Charpy V-Notch (imp) 23 ft-lb
Charpy V-Notch (met) 31 J
Elongation 22 %
Tensile Strength (imp) 99 ksi
Tensile Strength (met) 680 MPa
Testing Condition 1
Wire Spoolarc 29S
Yield Strength (imp) 89 ksi
Yield Strength (met) 615 MPa
Charpy V-Notch (imp) 28 ft-lb
Charpy V-Notch (met) 20 J
Elongation 25 %
Tensile Strength (imp) 92 ksi
Tensile Strength (met) 635 MPa
Testing Condition 1
Wire Spoolarc 81
Yield Strength (imp) 78 ksi
Yield Strength (met) 540 MPa
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Part Numbers and Accessories

Part Numbers : OK Flux 281
OK FLUX 281 14X65 55#BG 8504F09 FIND A DISTRIBUTOR
OK FLUX 281 14X65 55#BG 8504F09NF FIND A DISTRIBUTOR
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