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OK Flux 429

OK Flux 429 is a neutral, bonded flux intended for butt and fillet welding of carbon and low alloy steel plate.

Features

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.

OK Flux 429
  • Industry
  • Process
  • Mobile Machinery
  • Steel Industry
  • Power Generation
  • Pipeline
  • General Fabrication
  • Civil Construction
  • Bridge Construction
  • Petrochemical
  • Rail Road Car
  • Shipbuilding
  • Welding Process
  • SAW (Sub Arc)

Classifications

  • Classifications/Approvals

    • AWS A5.17 / ASME SFA 5.17
    • F7A2-EM12K
    • F6P4-EM12K
    • F7P0-EM14K
    • F7A2-EM13K
    • F7A4-EH12K
    • F9A4-ENi4-Ni4
    • F8P0-EA2-A3
    • AWS A5.23 / ASME SFA 5.23
    • F8A2-EA2-A3
    • F8P4-ENi4-Ni4
    • F7A4-ENi1K-Ni1
    • F8A4-ENi1K-Ni1
    • CERTIFIED BY C.W.B.- CSA W48

Properties

Typical Properties
Typical Mechanical Properties  
As Welded  
Spoolarc 81  
Tensile Strength 79 ksi, 545 MPa
Yield Strength 66 ksi, 455 MPa
Elongation in 2" 28 %
CVN 48 ft.-lbs., 65 J
Temperature -20 °F, -29 °C
Spoolarc 40B  
Tensile Strength 88 ksi, 605 MPa
Yield Strength 77 ksi, 530 MPa
Elongation in 2" 25 %
CVN 21 ft.-lbs., 28 J
Temperature -20 °F, -29 °C
Spoolarc 29S  
Tensile Strength 83 ksi, 570 MPa
Yield Strength 67 ksi, 460 MPa
Elongation in 2" 27 %
CVN 38 ft.-lbs., 42 J
Temperature -20 °F, -29 °C
Spoolarc 53  
Tensile Strength 85 ksi, 585 MPa
Yield Strength 71 ksi, 490 MPa
Elongation in 2" 28 %
CVN 30 ft.-lbs., 52 J
Temperature -40 °F, -40 °C
Spoolarc 75  
Tensile Strength 86 ksi, 595 MPa
Yield Strength 73 ksi, 505 MPa
Elongation in 2" 28 %
CVN 40 ft.-lbs., 54 J
Temperature -40 °F, -40 °C
Spoolarc ENi4  
Tensile Strength 93 ksi, 640 MPa
Yield Strength 82 ksi, 565 MPa
Elongation in 2" 25 %
CVN 44 ft.-lbs., 60 J
Temperature -40 °F, -40 °C
Stress Relieved 1 hr. @ 1150°F  
Spoolarc 81  
Tensile Strength 75 ksi, 515 MPa
Yield Strength 60 ksi, 415 MPa
Elongation in 2" 30 %
CVN 50 ft.-lbs., 68 J
Temperature -40 °F, -40 °C
Spoolarc 71  
Tensile Strength 80 ksi, 550 MPa
Yield Strength 63 ksi, 430 MPa
Elongation in 2" 32 %
CVN 20 ft.-lbs., 28 J
Temperature -20 °F, -29 °C
Spoolarc 40B  
Tensile Strength 88 ksi, 605 MPa
Yield Strength 75 ksi, 515 MPa
Elongation in 2" 26 %
CVN 26 ft.-lbs., 35 J
Temperature 0 °F, -18 °C
Spoolarc ENi4  
Tensile Strength 89 ksi, 615 MPa
Yield Strength 77 ksi, 530 MPa
Elongation in 2" 26 %
CVN 24 ft.-lbs., 33 J
Temperature -40 °F, -40 °C
Typical Undiluted Weld Metal Analysis  
As Welded  
Spoolarc 81  
C 0.06 %
Mn 1.40 %
Si 0.45 %
P 0.020 %
S 0.015 %
Spoolarc 40B  
C 0.06 %
Mn 1.40 %
Si 0.40 %
P 0.023 %
S 0.012 %
Mo 0.48 %
Cu 0.48 %
Spoolarc 29S  
C 0.07 %
Mn 1.70 %
Si 0.70 %
P 0.020 %
S 0.012 %
Spoolarc 53  
C 0.06 %
Mn 1.80 %
Si 0.50 %
P 0.026 %
S 0.010 %
Spoolarc 75  
C 0.05 %
Mn 1.50 %
Si 0.60 %
P 0.018 %
S 0.012 %
Ni 0.80 %
Spoolarc ENi4  
C 0.06 %
Mn 1.30 %
Si 0.40 %
P 0.021 %
S 0.009 %
Cr 1.7 %
Ni 1.79 %
Mo 0.15 %
Cu 0.15 %
Spoolarc 71  
C 0.06 %
Mn 1.58 %
Si 0.58 %
P 0.018 %
S 0.009 %

Part No.

Flux 429
Part No. Model / Product Description UPC
8424F09 OK FLUX 429 14X65 55#BG 662303055721
8424F09H OK FLUX 429 14X65 55#BG 662303078737

SAW

Accessories

Depositions/Paramaters

Extra Info



Basicity Index:1.1
  
Chemical Composition: 
SiO2 + TiO2 20
Al2 + MnO40
CaO + MgO25
Fluorides10


Flux Consumption
(lb. Flux / lb. Wire)
VoltageDC+
260.73
301.02
341.33
38 1.46

Complementary Products

Seismic Data

All listed prices are in U.S. dollars and represent the Manufacturer's Suggested Retail Price (MSRP) for sale in the United States. Actual selling price will be determined by the Distributor. Prices are subject to change without notice.