Submerged Arc Family

Durchmesser / Lieferform

Durchmesser
50 lb Bag
Flux ED019587

Lincolnweld® 781

UP-Schweißen (SAW)

Active welding flux for high speed welds on clean sheet steel

DETAILS

Eigenschaften

  • Features fast follow characteristics that allow for uniform welds at high speeds without undercut or voids
  • Recommended for high speed, limited pass welding on clean plate and sheet steel
  • Good wetting action
  • Actual (Type 3.1) certificates for each lot of flux showing chemical composition, particle size and moisture level are available in the certificate center of lincolnelectric.com
  • Mild Steel Lincolnweld® L-50®, L-60, and L-61® Low Alloy Steel Lincolnweld® L-70

Typische Anwendungen

  • Single pass welding – on clean plate and sheet metal up to 4.8 mm (3/16 in) in thickness
  • Hot water tanks, metal buildings and other applications requiring high speed welds

Besondere Eigenschaften

  • Basicity Index: 0.8 Density: 1.5 g/cm3

Service Informationen

Dokumentation

Ergänzende Produkte

BEFORE USE, READ AND UNDERSTAND THE SAFETY DATA SHEET (SDS) FOR THIS PRODUCT AND SPECIFIC INFORMATION PRINTED ON THE PRODUCT CONTAINER. SDS-Suchseite

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)
Lincolnweld® L-50® F7A0-EM13K-H8 As-welded 530 (76) 630 (92) 27 73 (54)
Lincolnweld® L-60 F7A0-EL12 As-welded 420 (60) 520 (75) 31 87 (64)
Lincolnweld® L-61® F7A0-EM12K As-welded 480 (70) 580 (84) 28 69 (51)
Lincolnweld® L-70 F9A0-EA1-G As-welded 570 (82) 650 (95) 26 56 (41)
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)
Lincolnweld® L-50® F7A0-EM13K-H8 As-welded 530 (76) 630 (92) 27 73 (54)
Lincolnweld® L-60 F7A0-EL12 As-welded 420 (60) 520 (75) 31 87 (64)
Lincolnweld® L-61® F7A0-EM12K As-welded 480 (70) 580 (84) 28 69 (51)
Lincolnweld® L-70 F9A0-EA1-G As-welded 570 (82) 650 (95) 26 56 (41)

DEPOSIT COMPOSITION

Wire Classification %C %Cr %Cu %Mn %Mo %Ni %P %S %Si Diffusible Hydrogen
mL/100g Weld Metal
Lincolnweld® L-50® F7A0-EM13K-H8 0.05 0.14 1.05 0.022 0.006 1.05 5
Lincolnweld® L-60 F7A0-EL12 0.06 0.11 1.04 0.017 0.008 0.73
Lincolnweld® L-61® F7A0-EM12K 0.04 0.06 1.52 0.020 0.008 0.97
Lincolnweld® L-70 F9A0-EA1-G 0.06 0.04 0.08 1.40 0.51 0.04 0.018 0.009 0.83
Wire Classification %C %Cr %Cu %Mn %Mo %Ni %P %S %Si Diffusible Hydrogen
mL/100g Weld Metal
Lincolnweld® L-50® F7A0-EM13K-H8 0.05 0.14 1.05 0.022 0.006 1.05 5
Lincolnweld® L-60 F7A0-EL12 0.06 0.11 1.04 0.017 0.008 0.73
Lincolnweld® L-61® F7A0-EM12K 0.04 0.06 1.52 0.020 0.008 0.97
Lincolnweld® L-70 F9A0-EA1-G 0.06 0.04 0.08 1.40 0.51 0.04 0.018 0.009 0.83

FLUX COMPOSITION

Classification %Al2O3 %CaF2 %CaO %MgO %MnO %Na2O %SiO2 %TiO2 %ZrO2 %Metal Alloys
Typical Result 4 5 1 13 15 2 26 10 19 3
Classification %Al2O3 %CaF2 %CaO %MgO %MnO %Na2O %SiO2 %TiO2 %ZrO2 %Metal Alloys
Typical Result 4 5 1 13 15 2 26 10 19 3