Submerged Arc Family

Diameters / Packaging

Diameters
50 lb Plastic Bag
2600 lb Bulk Bag
Flux ED036786 ED036839

Lincolnweld® LPX80N™

Submerged Arc Welding (SAW)

Welding flux for longitudinal seam welding for pipe.

DETAILS

Features

  • A nitrogen limiting flux designed for seam welding of pipe
  • Recommended for longitudinal seam welding on a range of pipe steels
  • Less than 5mL/100g of diffusible hydrogen in the weld deposit with both copper coated and non-copper coated (Emergence) welding wire
  • 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-61®, Lincolnweld® Emergence™ 61 Low Alloy Steel Lincolnweld® L-70, LA-81, Lincolnweld® Emergence™ 70, 74, 81

Typical Applications

  • Single or multiple arc welding
  • Longitudinal welding of pipe

Special Features

  • Basicity Index: 1.2 Density: 1.1 g/cm3

Disclaimers

Warning -

Cancer and Reproductive Harm -

www.P65Warnings.ca.gov

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

See test result disclaimer

MECHANICAL PROPERTIES

Wire Classification Yield Strength @ 0.2% Offset
MPa (ksi)
Tensile Strength
MPa (ksi)
Elongation
%
Charpy V-Notch
J (ft-lbs) @ -30°C (-20°F)
Charpy V-Notch
J (ft-lbs) @ -50°C (-60°F)
Hardness Rockwell B
Lincolnweld® L-61® F6TA2-EM12K-H8 540 (78) 630 (92) 28 35 (26) 90
Lincolnweld® L-70 F8TA2-EA1-H8 510 (74) 620 (90) 26 61 (45) 91
Lincolnweld® LA-81 (LNS 140TB) F8TA6-EA2TiB-H8 570 (82) 650 (94) 25 50 (37)

DEPOSIT COMPOSITION

Wire Classification %B %C %Cu %Mn %Mo %P %S %Si %Ti Diffusible Hydrogen
mL/100g Weld Metal
Lincolnweld® L-61® F6TA2-EM12K-H8 0.07 0.13 1.40 0.015 0.009 0.32 3
Lincolnweld® L-70 F8TA2-EA1-H8 0.06 0.10 1.33 0.21 0.014 0.008 0.26 3
Lincolnweld® LA-81 (LNS 140TB) F8TA6-EA2TiB-H8 0.0148 0.05 0.10 1.43 0.19 0.016 0.005 0.32 0.02 3

FLUX COMPOSITION

Classification %Al2O3 %CaF2 %CaO %FeO %MgO %MnO %Na2O %SiO2 %TiO2 %ZrO2
Typical Result 24 12 5 2 17 11 3 23 1 2