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ESAB

OK FLUX 429

OK FLUX 429

How to order


Specifications


Classifications: ASME SFA 5.23, ASME SFA 5.17, AWS A5.17, F7A2-EM12K, AWS A5.17, F6P4-EM12K, AWS A5.17, F7A2-EM13K, AWS A5.17, F7P0-EM14K, AWS A5.17, F7A4-EH12K, AWS A5.23, F8A2-EA1-A2, AWS A5.23, F8P2-EA1-A2, AWS A5.23, F8A2-EA2-A3, AWS A5.23, F8P0-EA2-A3, AWS A5.23, F9A4-ENi1K-Ni1, AWS A5.23, F9A4-ENi14-Ni4, AWS A5.23, F8P4-ENi4-Ni4
Approvals: CWB, AWS A5.23 F7A4-ENi1K-Ni1-H8, CWB, CSA W48 F49A3-EM12K

Approvals are based on factory location. Please contact ESAB for more information.


Typical Weld Metal Analysis %

NiPSSiCMnMo
0.80 %0.018 %0.012 %0.60 %0.05 %1.50 %0.15 %

Typical Mechanical Properties

Charpy V-Notch Charpy V-Notch Testing Temp Condition Elongation Tensile Strength Wire Yield Strength
48 ft-lb -20 °F As Welded 26 % 79 ksi Spoolarc 81 66 ksi
38 ft-lb -20 °F As Welded 27 % 83 ksi Spoolarc 29S 67 ksi
30 ft-lb -40 °F As Welded 28 % 85 ksi Spoolarc 53 71 ksi
40 ft-lb -40 °F As Welded 28 % 86 ksi Spoolarc 75 73 ksi
44 ft-lb -40 °F As Welded 25 % 93 ksi Spoolarc ENi4 82 ksi
50 ft-lb -40 °F Stress Relieved 30 % 75 ksi Spoolarc 81 60 ksi
20 ft-lb -20 °F Stress Relieved 32 % 80 ksi Spoolarc 71 63 ksi
24 ft-lb -40 °F Stress Relieved 26 % 89 ksi Spoolarc ENi4 77 ksi

Classifications

AWS - As Welded AWS - PWHT AWS/EN Wire
F9A4-ENi4 Ni4 F8P4-ENi4-ENi4 AWS A5.23: ENi4 Spoolarc ENi4
F7A2-EM12K F6P4-EM12K AWS A5.17: EM12K Spoolarc 81
F8A4-ENi1K-Ni1 - AWS A5.23: ENi1K Spoolarc 75
- F7P0-EM14K AWS A5.17: EM14K Spoolarc 71
F7A4-EH12K - AWS A5.17: EH12K Spoolarc 53
F7A2-EM13K - AWS A5.17: EM13K Spoolarc 29S

View full specs

OK Flux 429 is a neutral, bonded flux intended for butt and fillet welding of carbon and low alloy steel plate. It combines good as welded and stress relieved mechanical properties with excellent performance. Its slag is generally self peeling, even in tight, narrow groove butt welds. It provides moderate tolerance of rust and mill scale. OK Flux 429 is used in offshore oil rig, bridge, ship, pressure vessel, and structural fabrication. It will operate with DC and AC, single and multiwire systems at currents up to 1000 amps.

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Industries

  • Bridge Construction
  • Industrial and General Fabrication
  • Mobile Equipment
  • Pipeline
  • Power Generation
  • Pressure Vessels
  • Process
  • Ship and Offshore Yards
  • Ship/Barge Building
  • Structural Steel Fabrication

Welding Process

  • Welding-SAW - Submerged Arc Welding

Specifications


Classifications: ASME SFA 5.23, ASME SFA 5.17, AWS A5.17, F7A2-EM12K, AWS A5.17, F6P4-EM12K, AWS A5.17, F7A2-EM13K, AWS A5.17, F7P0-EM14K, AWS A5.17, F7A4-EH12K, AWS A5.23, F8A2-EA1-A2, AWS A5.23, F8P2-EA1-A2, AWS A5.23, F8A2-EA2-A3, AWS A5.23, F8P0-EA2-A3, AWS A5.23, F9A4-ENi1K-Ni1, AWS A5.23, F9A4-ENi14-Ni4, AWS A5.23, F8P4-ENi4-Ni4
Approvals: CWB, AWS A5.23 F7A4-ENi1K-Ni1-H8, CWB, CSA W48 F49A3-EM12K

Approvals are based on factory location. Please contact ESAB for more information.


Typical Weld Metal Analysis %

NiPSSiCMnMo
0.80 %0.018 %0.012 %0.60 %0.05 %1.50 %0.15 %

Typical Mechanical Properties

Charpy V-Notch Charpy V-Notch Testing Temp Condition Elongation Tensile Strength Wire Yield Strength
48 ft-lb -20 °F As Welded 26 % 79 ksi Spoolarc 81 66 ksi
38 ft-lb -20 °F As Welded 27 % 83 ksi Spoolarc 29S 67 ksi
30 ft-lb -40 °F As Welded 28 % 85 ksi Spoolarc 53 71 ksi
40 ft-lb -40 °F As Welded 28 % 86 ksi Spoolarc 75 73 ksi
44 ft-lb -40 °F As Welded 25 % 93 ksi Spoolarc ENi4 82 ksi
50 ft-lb -40 °F Stress Relieved 30 % 75 ksi Spoolarc 81 60 ksi
20 ft-lb -20 °F Stress Relieved 32 % 80 ksi Spoolarc 71 63 ksi
24 ft-lb -40 °F Stress Relieved 26 % 89 ksi Spoolarc ENi4 77 ksi

Classifications

AWS - As Welded AWS - PWHT AWS/EN Wire
F9A4-ENi4 Ni4 F8P4-ENi4-ENi4 AWS A5.23: ENi4 Spoolarc ENi4
F7A2-EM12K F6P4-EM12K AWS A5.17: EM12K Spoolarc 81
F8A4-ENi1K-Ni1 - AWS A5.23: ENi1K Spoolarc 75
- F7P0-EM14K AWS A5.17: EM14K Spoolarc 71
F7A4-EH12K - AWS A5.17: EH12K Spoolarc 53
F7A2-EM13K - AWS A5.17: EM13K Spoolarc 29S

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