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ESAB OK Flux 231 - Bonded - 14 X 65 - 55 lb Bag - 8334F09

ESAB OK Flux 231 - Bonded - 14 X 65 - 55 lb Bag - 8334F09

Manufacturer: ESAB®
SKU: ESA8334F09
Price: $87.39
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ESAB OK Flux 231 - Bonded - 14 X 65 - 55 lb Bag - 8334F09

OK Flux 231 is an active, bonded flux designed for fillet and butt welding of carbon steel plate. It provides excellent tolerance of rust and mill scale so joint preparation can be minimized. This flux will produce horizontal fillets up to 3/8" (9.5 mm) leg size without undercut or rollover. The slag peeling is excellent. OK Flux 231 can be used for multipass welding, but because Mn and Si buildup is possible, welding voltage should be kept to a minimum and plate thickness should be limited to 1" (25 mm). OK Flux 231 is suitable for DC single and parallel wire welding at currents up to 1000 A. It is used for welding rail cars, water heater tanks, ship plates, and structural steel.

AWS A5.17; Classes F7AZ-EL12, F7A2-EM12K

Basicity Index: 0.50
   
Chemical Composition:  
SiO2 + TiO2 25
Al2 + MnO 60
Fluorides 10


Flux Consumption
(lb. Flux / lb. Wire)
Voltage DC+
26 0.66
30 0.91
34 0.98
38 1.51


  • Classifications/Approvals

    • AWS A5.17 / ASME SFA 5.17 F7AZ-EL12
    • AWS A5.17 / ASME SFA 5.17 F7A2-EM12K

Properties:

Typical Mechanical Properties  
As Welded  
Spoolarc 81  
Tensile Strength 81 ksi, 560 MPa
Yield Strength 67 ksi, 460 MPa
Elongation in 2" 27 %
CVN 28 ft.-lbs., 38 J
Temperature -20 °F, -29 °C
Spoolarc 80  
Tensile Strength 74 ksi, 510 MPa
Yield Strength 65 ksi, 450 MPa
Elongation in 2" 28 %
CVN 20 ft.-lbs., 27 J
Temperature 0 °F, -18 °C
Typical Undiluted Weld Metal Analysis  
As Welded  
Spoolarc 81  
C 0.08 %
Mn 1.40 %
Si 0.30 %
P 0.018 %
S 0.010 %
Spoolarc 80  
C 0.07 %
Mn 1.00 %
Si 0.30 %
P 0.020 %
S 0.010 %


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