OK Flux 10.71

ESAB

OK Flux 10.71

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OK Flux 10.71 is a neutral, bonded flux intended primarily for multipass butt and fillet welding of carbon and low alloy steels. It combines outstanding welding performance with excellent weld properties. OK Flux 10.71 is suitable for use with AC and DC, single and multiwire systems at currents up to 1000 amps. It should not be used in applications where there is heavy rust or mill scale on the base plate. Among the many areas where OK 10.71 is used are general structural welding, bridge fabrication, heavy equipment fabrication, and line pipe welding.

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Classifications

Classifications AWS A5.17 : F7P5- EH12K
AWS A5.17 : F7P4-EM14K
AWS A5.17 : F7A5-EH12K
AWS A5.17 : F7A4-EM13K
AWS A5.17 : F7A4-EM12K
AWS A5.17 : F7A2-EM14K
AWS A5.23 : F8A4-ENi1K-Ni1

Approvals

Approvals CE EN 13479
CWB AWS A5.23 F9A6-ENi4-Ni4-H8
CWB AWS A5.23 F8A4-ENi1K-Ni1-H8
CWB CSA W48 F49A4-EM12K-H8
DB 51.039.05
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: 1.5
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) or 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 AWS - As Welded AWS - PWHT
Spoolarc 81 AWS A5.17: EM12K F7A4-EM12K
Spoolarc 75 AWS A5.23: ENi1K F8A-ENi1K-Ni1
Spoolarc 71 AWS A5.17: EM14K F7A2-EM14K F7P4-EM14K
Spoolarc 29S AWS A5.17: EM13K F7A4-EM13K
Spoolarc 53 AWS A5.17: EH12K F7A5-EH12K F7P5-EH12K

Approvals

Combined with Wire ABS BV CE ClassNK DB DNV GL IBR IRS LR M N Dastur PRS RINA RS VdTÜV
OK Autrod 12.08L * - - - - - - - * - - - - - -
OK Autrod 12.10 * * * - * * * - - * - * - * *
OK Autrod 12.20 * * * - * * * - - * - * * * *
OK Autrod 12.22 * * * * * * * - - * - - - * *
OK Autrod 12.22L - - - - - - - - - * - - - - -
OK Autrod 12.24 * * * * * * * - - * - * * * *
OK Autrod 12.30 - - * - * - - - - - - - - - *
OK Autrod 12.32 - - * - * - - - - - - - - - *
OK Autrod 12.40L - - - - - * - * * * * - - - -
OK Autrod 13.27 - - - - - - - - - - - - - - *
OK Autrod 13.36 - - * - - - - - - - - - - - -
*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 Testing Time
Spoolarc 29S As Welded null 505 MPa
(73 ksi)
600 MPa
(87 ksi)
41 J @ -40°C,
(30 ft-lb @ -40 °F)
30 %
Spoolarc 53 As Welded null 530 MPa
(77 ksi)
625 MPa
(91 ksi)
61 J @ -46°C,
(45 ft-lb @ -50 °F)
28 %
Spoolarc 53 Stress Relieved 621C (1150F) 448 MPa
(65 ksi)
545 MPa
(79 ksi)
108 J @ -46°C,
(80 ft-lb @ -50 °F)
32 % 1 hr
Spoolarc 71 As Welded null 525 MPa
(76 ksi)
600 MPa
(87 ksi)
67 J @ -29°C,
(48 ft-lb @ -20 °F)
27 %
Spoolarc 71 Stress Relieved 621C (1150F) 510 MPa
(74 ksi)
625 MPa
(91 ksi),635 MPa
(92 ksi)
47 J @ -40°C,
(35 ft-lb @ -40 °F)
51 J @ -40°C,
(38 ft-lb @ -40 °F)
30 % 8 hr,1 hr
Spoolarc 75 As Welded null 540 MPa
(78 ksi)
625 MPa
(91 ksi)
58 J @ -40°C,
(43 ft-lb @ -40 °F)
28 %
Spoolarc 81 As Welded null 470 MPa
(68 ksi)
560 MPa
(81 ksi)
60 J @ -40°C,
(44 ft-lb @ -40 °F)
30 %

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Mn Ni P S Si
As Welded Spoolarc 29S
0.06 % 1.80 % - 0.014 % 0.007 % 0.80 %
As Welded Spoolarc 53
0.07 % 1.80 % - 0.022 % 0.010 % 0.50 %
As Welded Spoolarc 71
0.06 % 1.70 % - 0.018 % 0.009 % 0.60 %
As Welded Spoolarc 75
0.07 % 1.70 % 0.90 % 0.016 % 0.012 % 0.70 %
As Welded Spoolarc 81
0.07 % 1.50 % - 0.020 % 0.011 % 0.50 %
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Part Numbers and Accessories

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Part Numbers : OK Flux 10.71
1071H00200 FIND A DISTRIBUTOR
1071H00N00 FIND A DISTRIBUTOR
1071000200 FIND A DISTRIBUTOR
1071000N00 FIND A DISTRIBUTOR
1071000U00 FIND A DISTRIBUTOR
1071800N0T FIND A DISTRIBUTOR
1071800P00 FIND A DISTRIBUTOR
1071H02200 FIND A DISTRIBUTOR
1071002200 FIND A DISTRIBUTOR
1071802P00 FIND A DISTRIBUTOR

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