OK Flux 10.72
Agglomerated aluminate-basic flux for Submerged Arc Welding especially for applications with toughness requirements at low temperature. Excellent slag removal also in narrow V-joints. For wind tower productions, pressure vessels, general constructions etc. Extremely high current carrying capacity. For single or multi wire procedures. Suitable for DC and AC welding. Single layer and multi layer welding of unlimited plate thickness.
Classifications
| Classifications |
AWS A5.17 : F6P8-EM12K AWS A5.17 : F7A8-EM12K AWS A5.23 : F8A4-ENi1K-Ni1 AWS A5.17 : F7P5-EM14K AWS A5.23 : F9A4-ENi4-Ni4 ASME SFA 5.23 : ASME SFA 5.17 : |
Approvals
| Approvals |
CE EN 13479 CWB CSA W48 F49A6-EM12K-H8 DB 51.039.12 |
| 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 | AWS - As Welded | AWS - PWHT |
| Spoolarc ENi4 | AWS A5.23: ENi4 | F9A4-ENi4-ENi4 | |
| Spoolarc 81 | AWS A5.17: EM12K | F7A8-EM12K | F6P8-EM12K |
| Spoolarc 75 | AWS A5.23: ENi1K | F8A4-ENi1K-ENi1 | |
| Spoolarc 71 | AWS A5.17: EM14K | - | F7P5-EM14K |
Approvals
| Combined with 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
| Combined with Wire | Condition | Yield Strength | Tensile Strength | Charpy V-Notch | Elongation |
| Spoolarc 75 | As Welded null | 550 MPa (76 ksi) |
655 MPa (89 ksi) |
149 J @ -40°C, (110 ft-lb @ -40 °F) |
28 % |
| Spoolarc 81 | As Welded null | 425 MPa (62 ksi) |
515 MPa (75 ksi) |
50 J @ -62°C, (35 ft-lb @ -80 °F) |
30 % |
| Spoolarc 81 | Stress Relieved 1 hr @ 621C (1150F) | 405 MPa (59 ksi) |
510 MPa (74 ksi) |
50 J @ -62°C, (35 ft-lb @ -80 °F) |
32 % |
| Spoolarc 81 | Stress Relieved 8 hrs @ 621C (1150F) | 400 MPa (58 ksi) |
510 MPa (74 ksi) |
163 J @ -46°C, (120 ft-lb @ -50 °F) |
34 % |
| Spoolarc ENi4 | As Welded null | 585 MPa (85 ksi) |
680 MPa (96 ksi) |
156 J @ -40°C, (115 ft-lb @ -40 °F) |
26 % |
Typical Weld Metal Analysis %
| Typical Weld Metal Analysis % | ||||||||||||||
| C | Cu | Mn | Mo | Ni | P | S | Si | |||||||
| Spoolarc 75 | ||||||||||||||
| 0.06 % | - | 1.80 % | - | 0.90 % | 0.013 % | 0.009 % | 0.50 % | |||||||
| Spoolarc 81 | ||||||||||||||
| 0.06 % | - | 1.60 % | - | - | 0.013 % | 0.0069 % | 0.30 % | |||||||
| Spoolarc ENi4 | ||||||||||||||
| 0.07 % | 0.15 % | 1.60 % | 0.15 % | 1.80 % | 0.012 % | 0.006 % | 0.20 % | |||||||
Part Numbers and Accessories
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