OK Flux 10.72'

ESAB

OK Flux 10.72

OK Flux 10.72

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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Specifications


Approvals

Society Wire
CE OK Autrod 13.27
- OK Autrod 13.64
CE OK Autrod 12.20
DB OK Autrod 12.20
VdTÜV OK Autrod 12.20
CE OK Autrod 12.24
DB OK Autrod 12.24
VdTÜV OK Autrod 12.24
CE OK Autrod 12.22
DB OK Autrod 12.22
VdTÜV OK Autrod 12.22
CWB OK Autrod 12.22
DNV OK Autrod 12.22
GL OK Autrod 12.22

Classifications

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

Flux Consumption

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

Typical Mechanical Properties

Charpy V-Notch Charpy V-Notch Testing Temp Condition Elongation Tensile Strength Wire Yield Strength
110 ft-lb -40 °F As Welded 28 % 89 ksi Spoolarc 75 76 ksi
35 ft-lb -80 °F As Welded 30 % 75 ksi Spoolarc 81 62 ksi
35 ft-lb -80 °F Stress Relieved 32 % 74 ksi Spoolarc 81 59 ksi
120 ft-lb -50 °F Stress Relieved 34 % 74 ksi Spoolarc 81 58 ksi
115 ft-lb -40 °F As Welded 26 % 96 ksi Spoolarc ENi4 85 ksi

Typical Weld Metal Analysis %

weld metal analysis
PMnCuMoSCSiNi
0.013 %1.60 %0.15 %0.15 %0.0069 %0.06 %0.30 %0.90 %

Approvals: CWB; CSA W48 F49A6-EM12K-H8; DB; 51.039.12; CE EN; 13479
Classifications: ASME SFA 5.23; ASME SFA 5.17; AWS A5.17; F6P8-EM12K; AWS A5.23; F8A4-ENi1K-Ni1; AWS A5.17; F7A8-EM12K; AWS A5.17; F7P5-EM14K; AWS A5.23; F9A4-ENi4-Ni4

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


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

Society Wire
CE OK Autrod 13.27
- OK Autrod 13.64
CE OK Autrod 12.20
DB OK Autrod 12.20
VdTÜV OK Autrod 12.20
CE OK Autrod 12.24
DB OK Autrod 12.24
VdTÜV OK Autrod 12.24
CE OK Autrod 12.22
DB OK Autrod 12.22
VdTÜV OK Autrod 12.22
CWB OK Autrod 12.22
DNV OK Autrod 12.22
GL OK Autrod 12.22

Classifications

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

Flux Consumption

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

Typical Mechanical Properties

Charpy V-Notch Charpy V-Notch Testing Temp Condition Elongation Tensile Strength Wire Yield Strength
110 ft-lb -40 °F As Welded 28 % 89 ksi Spoolarc 75 76 ksi
35 ft-lb -80 °F As Welded 30 % 75 ksi Spoolarc 81 62 ksi
35 ft-lb -80 °F Stress Relieved 32 % 74 ksi Spoolarc 81 59 ksi
120 ft-lb -50 °F Stress Relieved 34 % 74 ksi Spoolarc 81 58 ksi
115 ft-lb -40 °F As Welded 26 % 96 ksi Spoolarc ENi4 85 ksi

Typical Weld Metal Analysis %

weld metal analysis
PMnCuMoSCSiNi
0.013 %1.60 %0.15 %0.15 %0.0069 %0.06 %0.30 %0.90 %

Approvals: CWB; CSA W48 F49A6-EM12K-H8; DB; 51.039.12; CE EN; 13479
Classifications: ASME SFA 5.23; ASME SFA 5.17; AWS A5.17; F6P8-EM12K; AWS A5.23; F8A4-ENi1K-Ni1; AWS A5.17; F7A8-EM12K; AWS A5.17; F7P5-EM14K; AWS A5.23; F9A4-ENi4-Ni4

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


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

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Part Numbers : OK Flux 10.72
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
OK Flux 10.72 1000kg(2200lb) 1072H00P00 FIND A DISTRIBUTOR
OK Flux 10.72 - 2200# Bag 1072H00U00 FIND A DISTRIBUTOR
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