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Diameters / Packaging
|
Diameters |
25 KG PE BAG |
50 lb Bag |
550 lb Drum |
|---|---|---|---|
| Flux | BRE00780S25 | ED019586 | ED032007 |
DETAILS
Lincolnweld 780 is the industry standard active flux for submerged arc welding applications. Designed with good resistance to moisture contamination for reduced porosity, fast freezing slag for easy removal, excellent bead shape, and minimized spilling on circumferential welds. When paired with Lincolnweld L-61 it is recommended for up to three pass welding applications.
Features
- Industry standard for submerged arc welding applications
- Fast freezing slag for easy removal and minimized spilling on circumferential welds
- When paired with Lincolnweld® L-61® it is recommended for up to three pass welding applications
- Excellent bead shape and slag removal
- Good resistance to moisture contamination for reduced porosity
Service Information
BEFORE USE, READ AND UNDERSTAND THE SAFETY DATA SHEET (SDS) FOR THIS PRODUCT AND SPECIFIC INFORMATION PRINTED ON THE PRODUCT CONTAINER. SDS Search page
MECHANICAL PROPERTIES
| Wire | Classification | Postweld Heat Treatment |
Yield Strength @ 0.2% Offset
MPa (ksi) |
Tensile Strength
MPa (ksi) |
Elongation
% |
Charpy V-Notch
J (ft-lbs) @ -20°C (0°F) |
Charpy V-Notch
J (ft-lbs) @ -30°C (-20°F) |
|---|---|---|---|---|---|---|---|
| Lincolnweld® L-50® | F7A0-EM13K-H8 | As-welded | 520 (75) | 600 (87) | 28 | 107 (79) | |
| Lincolnweld® L-60 | F7A0-EL12-H8 | As-welded | 440 (64) | 540 (79) | 30 | 76 (56) | |
| Lincolnweld® L-61® | F7A2-EM12K-H8 | As-welded | 480 (70) | 580 (84) | 27 | 69 (51) |
DEPOSIT COMPOSITION
| Wire | Classification | %C | %Cu | %Mn | %P | %S | %Si |
Diffusible Hydrogen
mL/100g Weld Metal |
|---|---|---|---|---|---|---|---|---|
| Lincolnweld® L-50® | F7A0-EM13K-H8 | 0.05 | 0.11 | 1.76 | 0.017 | 0.008 | 0.77 | 5 |
| Lincolnweld® L-60 | F7A0-EL12-H8 | 0.06 | 0.07 | 1.59 | 0.024 | 0.010 | 0.65 | 4 |
| Lincolnweld® L-61® | F7A2-EM12K-H8 | 0.05 | 0.08 | 1.55 | 0.019 | 0.009 | 0.70 | 4 |
FLUX COMPOSITION
| Classification | %Al2O3 | %CaF2 | %CaO | %MgO | %MnO | %Na2O | %SiO2 | %TiO2 | %Metal Alloys | %ZrO2 |
|---|---|---|---|---|---|---|---|---|---|---|
| Typical Result | 39 | 11 | 0 | 3 | 16 | 2 | 15 | 8 | 5 | 0 |