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Lincoln Electric Lincolnweld® 780 Submerged Arc Welding Flux 50lb Bag - ED019586

SKU: ED019586
$128.15 $136.50
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Lincoln Electric Lincolnweld® 780 Submerged Arc Welding Flux 50lb Bag - ED019586 features fast-freezing slag for easy removal and minimized spilling on circumferential welds. Ideal for three-pass welding with excellent bead shape, moisture resistance, and superior slag removal.
Overview
Lincoln Electric Lincolnweld® 780 Submerged Arc Welding Flux 50lb Bag - ED019586

The Lincoln Electric Lincolnweld® 780 - ED019586 is an industry-standard submerged arc welding (SAW) flux known for its reliability and superior performance across various applications. This flux features a fast-freezing slag for easy removal and reduced spilling, particularly on circumferential welds, ensuring clean and efficient welds. When paired with Lincolnweld® L-61 wire, it is recommended for up to three-pass welding applications. With excellent bead shape, superior slag removal, and strong resistance to moisture contamination, this flux reduces porosity and delivers consistent, high-quality results in demanding environments.

  • Industry-standard flux for submerged arc welding (SAW) applications
  • Fast-freezing slag for easy removal and minimized spilling on circumferential welds
  • Recommended for up to three-pass welding when used with Lincolnweld® L-61 wire
  • Produces excellent bead shape and superior slag removal
  • Strong moisture resistance for reduced porosity and improved weld quality
  • 50lb bag for convenient handling and high-volume welding projects
Specifications
FeatureValue
Wire ClassificationPostweld Heat TreatmentYield 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-H8As-welded520 (75)600 (87)28107 (79)
Lincolnweld® L-60 F7A0-EL12-H8As-welded440 (64)540 (79)3076 (56)
Lincolnweld® L-61® F7A2-EM12K-H8As-welded480 (70)580 (84)2769 (51)
Wire Classification%C%Cu%Mn%P%S%SiDiffusible Hydrogen, mL/100g Weld Metal
Lincolnweld® L-50® F7A0-EM13K-H80.050.111.760.0170.0080.775
Lincolnweld® L-60 F7A0-EL12-H80.060.071.590.0240.0100.654
Lincolnweld® L-61® F7A2-EM12K-H80.050.081.550.0190.0090.704
Classification %Al2O3%CaF2%CaO%MgO%MnO%Na2O%SiO2%TiO2%Metal Alloys%ZrO2
Typical Result 39110316215850
LECO Diameter Flux
LECO Package 50 lb Bag
Includes
  • (1) 50 lb Bag
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