OK Flux 10.72

ESAB

OK Flux 10.72

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OK Flux 10.72 is an agglomerated, basic flux, designed for the production of wind towers. It combines the high demands for multi-layer thick section welding, using high deposition rates with respectable toughness values down to -50°C when combined with a standard non-alloyed SAW wire. It is used for single and multi-wire procedures such as tandem, twin arc, tandem-twin welding and many more, for butt and fillet welds. It works equally well on DC and AC current. The excellent slag removal in narrow V-joints allows the included angle of the joint to be reduced. OK Flux 10.72 can be applied for unlimited plate thicknesses. In wind tower production, plate thicknesses of 50 mm and above are common, generally welded with Y-joints. It is essential that the slag is easily removable on the first run. For the remaining filling passes the flux needs to offer a high current carrying capacity, to allow for high deposition rates, for example, 38 kg/h with the tandem twin process. Often toughness values down to -500°C are required throughout the thickness. This excellent flux can also be utilised in other market segments with similar welding requirements e.g. pressure vessels and general construction welding.

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Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Cu Mn Mo Ni P S Si
Spoolarc 75
0.06 % - 1.80 % - 0.90 % 0.013 % 0.009 % 0.50 %
Spoolarc 81
0.06 % - 1.60 % - - 0.013 % 0.0069 % 0.30 %
Spoolarc ENi4
0.07 % 0.15 % 1.60 % 0.15 % 1.80 % 0.012 % 0.006 % 0.20 %

Approvals

Society TÜV
Wire OK Autrod 12.20
Society DB
Wire OK Autrod 12.20
Society BKI
Wire OK Autrod 12.20
Society TÜV
Wire OK Autrod 12.24
Society BKI
Wire OK Autrod 12.24
Society TÜV
Wire OK Autrod 12.22
Society DB
Wire OK Autrod 12.22
Society RS
Wire OK Autrod 12.22
Society RINA
Wire OK Autrod 12.22
Society BKI
Wire OK Autrod 12.22
Society BV
Wire OK Autrod 12.22
Society DB
Wire OK Autrod 12.24
Society TÜV
Wire OK Autrod 13.27
Wire OK Autrod 13.64
Wire OK Autrod 13.62
*Selected production units only. Please contact ESAB for more information. Visit esab.com to download specific flux/wire combination fact sheets for more details.

Approvals

Grade 51.039.12
Society DB
Grade 13479
Society CE EN
Grade CSA W48 F49A6-EM12K-H8
Society CWB
Approvals are based on factory location. Please contact ESAB for more information.

Classifications

AWS - As Welded F9A4-ENi4-ENi4
AWS/EN AWS A5.23: ENi4
Wire Spoolarc ENi4
AWS - As Welded F7A8-EM12K
AWS - PWHT F6P8-EM12K
AWS/EN AWS A5.17: EM12K
Wire Spoolarc 81
AWS - As Welded F8A4-ENi1K-ENi1
AWS/EN AWS A5.23: ENi1K
Wire Spoolarc 75
AWS - PWHT F7P5-EM14K
AWS/EN AWS A5.17: EM14K
Wire Spoolarc 71

Classifications

Grade F6P8-EM12K
Name AWS A5.17
Grade F7A8-EM12K
Name AWS A5.17
Grade F8A4-ENi1K-Ni1
Name AWS A5.23
Grade F7P5-EM14K
Name AWS A5.17
Grade F9A4-ENi4-Ni4
Name AWS A5.23
Name ASME SFA 5.23
Name ASME SFA 5.17

Consumable Characteristics

Slag Type Aluminate-basic
Grain Size (met) 0.315-2.0 mm (9x48 mesh)
Diffusible Hydrogen max 5 ml H/100g weld metal (Redried flux)
Density nom: 1.2 kg/dm3
Basicity Index nom: 1.9
Alloy Transfer No Silicon and moderately Manganese alloying

Flux Consumption

Amps 580 A
Dimensions Ø 4.0 mm
Travel speed 55 cm/min
Volts 26 V
kg Flux / kg Wire DC+ (met) 0.7 kg
Amps 580 A
Dimensions Ø 4.0 mm
Travel speed 55 cm/min
Volts 30 V
kg Flux / kg Wire DC+ (met) 1.0 kg
Amps 580 A
Dimensions Ø 4.0 mm
Travel speed 55 cm/min
Volts 34 V
kg Flux / kg Wire DC+ (met) 1.3 kg
Amps 580 A
Dimensions Ø 4.0 mm
Travel speed 55 cm/min
Volts 38 V
kg Flux / kg Wire DC+ (met) 1.6 kg
Amps 580 A
Dimensions Ø 4.0 mm
Travel speed 55 cm/min
Volts 26 V
kg Flux / kg Wire AC (met) 0.6 kg
Amps 580 A
Dimensions Ø 4.0 mm
Travel speed 55 cm/min
Volts 30 V
kg Flux / kg Wire AC (met) 0.9 kg
Amps 580 A
Dimensions Ø 4.0 mm
Travel speed 55 cm/min
Volts 34 V
kg Flux / kg Wire AC (met) 1.2 kg
Amps 580 A
Dimensions Ø 4.0 mm
Travel speed 55 cm/min
Volts 38 V
kg Flux / kg Wire AC (met) 1.4 kg

Typical Mechanical Properties

Charpy V-Notch (imp) 110 ft-lb
Charpy V-Notch (met) 149 J
Charpy V-Notch Testing Temp (imp) -40 degF
Charpy V-Notch Testing Temp (met) -40 degC
Elongation 28 %
Tensile Strength (imp) 89 ksi
Tensile Strength (met) 655 MPa
Testing Condition 1
Wire Spoolarc 75
Yield Strength (imp) 76 ksi
Yield Strength (met) 550 MPa
Charpy V-Notch (imp) 35 ft-lb
Charpy V-Notch (met) 50 J
Charpy V-Notch Testing Temp (imp) -80 degF
Charpy V-Notch Testing Temp (met) -62 degC
Elongation 30 %
Tensile Strength (imp) 75 ksi
Tensile Strength (met) 515 MPa
Testing Condition 1
Wire Spoolarc 81
Yield Strength (imp) 62 ksi
Yield Strength (met) 425 MPa
Charpy V-Notch (imp) 115 ft-lb
Charpy V-Notch (met) 156 J
Charpy V-Notch Testing Temp (imp) -40 degF
Charpy V-Notch Testing Temp (met) -40 degC
Elongation 26 %
Tensile Strength (imp) 96 ksi
Tensile Strength (met) 680 MPa
Testing Condition 1
Wire Spoolarc ENi4
Yield Strength (imp) 85 ksi
Yield Strength (met) 585 MPa
Charpy V-Notch (imp) 35 ft-lb
Charpy V-Notch (met) 50 J
Charpy V-Notch Testing Temp (imp) -80 degF
Charpy V-Notch Testing Temp (met) -62 degC
Conditional Statement 1 hr @ 621C (1150F)
Elongation 32 %
Tensile Strength (imp) 74 ksi
Tensile Strength (met) 510 MPa
Testing Condition 2
Wire Spoolarc 81
Yield Strength (imp) 59 ksi
Yield Strength (met) 405 MPa
Charpy V-Notch (imp) 120 ft-lb
Charpy V-Notch (met) 163 J
Charpy V-Notch Testing Temp (imp) -50 degF
Charpy V-Notch Testing Temp (met) -46 degC
Conditional Statement 8 hrs @ 621C (1150F)
Elongation 34 %
Tensile Strength (imp) 74 ksi
Tensile Strength (met) 510 MPa
Testing Condition 2
Wire Spoolarc 81
Yield Strength (imp) 58 ksi
Yield Strength (met) 400 MPa
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Part Numbers and Accessories

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Part Numbers : OK Flux 10.72
OK Flux 10.72 1000kg(2200lb) 1072H00P00 FIND A DISTRIBUTOR
OK Flux 10.72 - 2200# Bag 1072H00U00 FIND A DISTRIBUTOR
OK Flux 10.72 25kg(55lb) 1072000U00 FIND A DISTRIBUTOR
OK Flux 10.72 25kg(55lb) 1072400P0A FIND A DISTRIBUTOR
OK Flux 10.72 25kg(55lb) BP 1072800P00 FIND A DISTRIBUTOR
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