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 -50°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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Classifications

Grade S A AB 1 57 AC H5
Name EN ISO 14174

Approvals

Grade EN 13479
Society CE
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

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

Flux Consumption

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

Classifications

Wire AWS/EN EN - As Welded AWS - As Welded AWS - PWHT
OK Autrod 12.24 A5.23:EA2/ 14171-A:S2Mo; 24598-A:S S Mo 14171-A: S 46 3 AB S2Mo A5.23: F8A5-EA2-A3 A5.23: F8P5-EA2-A3
OK Autrod 12.22 A5.17:EM12K/ 14171-A:S2Si 14171-A: S 38 5 AB S2Si A5.17: F7A8-EM12K A5.17: F6P8-EM12K
OK Autrod 13.27 A5.23:ENi2/ 14171-A:S2Ni2 14171-A: S 46 6 AB S2Ni2 A5.23: F8A8-ENi2-Ni2 A5.23: F7P8-ENi2-Ni2
OK Autrod 12.20 A5.17:EM12/ 14171-A:S2 14171-A: S 38 5 AB S2 A5.17: F7A8-EM12 A5.17: F6P8-EM12
OK Autrod 13.64 A5.23:EA2TiB/ 14171-A:S2MoTiB A5.23: F8TA8-EA2TiB
OK Autrod 13.62 A5.23:EG/ 14171-A:SZ3TiB -

Approvals

Wire CE CWB DB DNV GL VdTÜV
OK Autrod 12.20 * - * - - *
OK Autrod 12.22 * * * * * *
OK Autrod 12.24 * - * - - *
OK Autrod 13.27 * - - - - -
*Selected production units only. Please contact ESAB for more information. Visit esab.com to download specific flux/wire combination fact sheets for more details.

Typical Mechanical Properties

Wire Condition Yield Strength Tensile Strength Charpy V-Notch Elongation
OK Autrod 12.20 As Welded AWS DC+ 415 MPa
(60 ksi)
500 MPa
(73 ksi)
125 J @ -30°C,
(93 ft-lb @ -30 °F)
100 J @ -40°C,
(74 ft-lb @ -40 °F)
70 J @ -50°C,
(52 ft-lb @ -50 °F)
50 J @ -62°C,
(37 ft-lb @ -62 °F)
30 %
OK Autrod 12.22 As Welded AWS DC+ 415 MPa
(60 ksi)
500 MPa
(73 ksi)
120 J @ -30°C,
(89 ft-lb @ -30 °F)
100 J @ -40°C,
(74 ft-lb @ -40 °F)
70 J @ -50°C,
(52 ft-lb @ -50 °F)
50 J @ -62°C,
(37 ft-lb @ -62 °F)
30 %
OK Autrod 12.24 As Welded AWS DC+ 500 MPa
(73 ksi)
590 MPa
(86 ksi)
60 J @ -30°C,
(44 ft-lb @ -30 °F)
40 J @ -40°C,
(30 ft-lb @ -40 °F)
35 J @ -46°C,
(26 ft-lb @ -46 °F)
25 %
OK Autrod 13.27 As Welded AWS DC+ 490 MPa
(71 ksi)
610 MPa
(88 ksi)
100 J @ -40°C,
(74 ft-lb @ -40 °F)
80 J @ -51°C,
(59 ft-lb @ -51 °F)
50 J @ -62°C,
(37 ft-lb @ -62 °F)
30 %
OK Autrod 13.62 As Welded (acc. AWS) Plate thickness: 12mm; Heat Input: 2.2kJ/mm; Side 1: 600A, 32V, 53cm/min; Side 2: 700A, 60cm/min; DC+ 500 MPa
(73 ksi)
610 MPa
(88 ksi)
50 J @ -62°C,
(37 ft-lb @ -62 °F)
27 %
OK Autrod 13.64 As Welded (acc. to AWS) Plate thickness 12mm Heat input 2.2kJ/mm 700A, 32V, 60cm/min DC+ 560 MPa
(81 ksi)
660 MPa
(96 ksi)
50 J @ -62°C,
(37 ft-lb @ -62 °F)
27 %

Typical Weld Metal Analysis %

Chemical Composition
Al2O3+MnO CaF2 CaO+MgO SiO2+TiO2
30 % 20 % 25 % 20 %
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Part Numbers and Accessories

Part Numbers : OK Flux 10.72
OK Flux 10.72 1000kg(2200lb) 1072H00P00 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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