ESAB

OK Flux 10.77

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Agglomerated aluminate-basic flux for Submerged Arc Welding especially for production of mild and high-strength line pipe steels (mainly spiral pipe production). Shallow reinforcement, low transition angles, smooth surface finish even at high welding speeds. Designed for single and multi wire procedures. Suitable for DC and AC welding.

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Industries

  • Pipe Construction

Classifications

Classifications AWS A5.23 : F8TA6-EG
AWS A5.23 : F8A4-EA2-A2
AWS A5.23 : F7P2-EA2-A2
AWS A5.17 : F7A5-EM12K
ASME SFA 5.23 :
ASME SFA 5.17 :

Approvals

Approvals CE EN 13479
RU : NAKS/HAKC RD 03-613-03
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

Alloy Transfer Slightly Silicon and moderately Manganese alloying
Basicity Index nom: 1.3
Density nom: 1.2 kg/dm3
Diffusible Hydrogen max 5 ml H/100g weld metal (Redried flux)
Grain Size 0.2-1.6 mm (10x65 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 AWS - As Welded
Spoolarc 81 AWS A5.17: EM12K -
OK Autrod 12.24 AWS A5.23: EA2 F8A4-EA2-A2

Approvals

Combined with Wire CE
OK Autrod 12.20 *
OK Autrod 12.22 *
OK Autrod 12.24 *
*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

Combined with Wire Condition Yield Strength Tensile Strength Charpy V-Notch Elongation
OK Autrod 12.24 As Welded null 495 MPa
(72 ksi)
580 MPa
(84 ksi)
40 J @ -40°C,
(30 ft-lb @ -40 °F)
25 %
OK Autrod 12.24 Stress Relieved 1 hr @ 621C (1150F) 450 MPa
(65 ksi)
550 MPa
(80 ksi)
25 J @ -40°C,
(18 ft-lb @ -40 °F)
25 %
Spoolarc 81 As Welded null 420 MPa
(61 ksi)
520 MPa
(75 ksi)
110 J @ -29°C,
(81 ft-lb @ -20 °F)
26 %

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Mn Si
OK Autrod 12.24
0.07 % 1.3 % 0.3 %
Spoolarc 81
0.07 % 1.4 % 0.4 %
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Part Numbers and Accessories

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Part Numbers : OK Flux 10.77
1077H00P00 Find a distributor
1077H00U00 Find a distributor
1077000P00 Find a distributor
1077000U00 Find a distributor
1077H02P00 Find a distributor
1077802P00 Find a distributor

ESAB EQUIPMENT WARRANTIES ARE VALID ONLY WHEN PURCHASED THROUGH AN ESAB AUTHORIZED DEALERSHIP.

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