OK Flux 10.77
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.
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 % | ||||||||||||
Part Numbers and Accessories
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