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Submerged Arc Family

Diameters / Packaging

Diameters
 50 lb Pail
Flux ED034371

Lincolnweld® 842-H®

Submerged Arc Welding (SAW)

Neutral welding flux designed for low diffusible hydrogen and exceptional mechanical properties

Diameter

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  • Flux

Package

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  • 50 lb Pail

DETAILS

Features

  • Less than 3 mL of diffusable hydrogen per 100 g of deposited weld metal in DC+ or AC polarity.
  • Excellent resistance to moisture pick-up
  • Consistent and low temperature impact and CTOD toughness
  • Capable of welding on multiple arcs
  • Excellent slag detachment and bead profiles
  • 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 Electrode Lincolnweld® L-S3 Low Alloy Electrodes Lincolnweld® LA-85, LA-84, LAC-690

Typical Applications

  • Semi-submersible production and exploration platforms
  • Fixed, jacket and work platforms
  • Compliant towers & Jack up rigs
  • Topside structural applications
  • SPAR, FPSO, and FSO applications

Special Features

  • Basicity Index: 2.3 Density: 1.1 g/cm3

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) @ -50°C (-60°F) 		Charpy V-Notch
J (ft-lbs) @ -62°C (-80°F) 		Charpy V-Notch
J (ft-lbs) @ -73°C (-100°F)
Lincolnweld® L-61® F6P8-EM12K-H4 1 hour @ 620°C (1150°F) 360 (52) 470 (68) 36 380 (280)
Lincolnweld® L-61® F7A6-EM12K-H4 As Welded 410 (59) 500 (73) 32 354 (261)
Lincolnweld® LA-84 (LNS 164) F10A8-EF3-F3-H4 As-welded 650 (94) 720 (104) 23 144 (106)
Lincolnweld® LA-84 (LNS 164) F9A8-EF3-F3-H4 As-welded 650 (94) 720 (104) 23 144 (106)
Lincolnweld® LA-84 (LNS 164) F9P8-EF3-F3-H4 1 hour @ 620°C (1150°F) 610 (89) 690 (100) 26 152 (112)
Lincolnweld® LA-85 (LNS 165) F8A8-ENi5-Ni5-H4 As-welded 540 (78) 610 (89) 27 191 (141)
Lincolnweld® LA-85 (LNS 165) F8P8-ENi5-Ni5-H4 1 hour @ 620°C (1150°F) 510 (74) 590 (86) 29 167 (123)
Lincolnweld® LAC-690 F10A10-ECF5-F5-H4 As-welded 700 (102) 790 (115) 23 129 (95)
Lincolnweld® L-S3 (LNS133U,L50M) F7A8-EH12K-H4 As-welded 440 (64) 530 (77) 32 190 (140)
Lincolnweld® L-S3 (LNS133U,L50M) F7P8-EH12K-H4 1 hour @ 620°C (1150°F) 410 (59) 520 (75) 33 312 (230)

DEPOSIT COMPOSITION

Wire Classification %B %C %Cr %Cu %Mn %Mo %Ni %P %S %Si Diffusible Hydrogen
mL/100g Weld Metal
Lincolnweld® L-61® F6P8-EM12K-H4 0.10 0.05 1.01 0.008 0.006 0.21 4
Lincolnweld® L-61® F7A6-EM12K-H4 0.09 0.05 0.99 0.008 0.005 0.20 4
Lincolnweld® LA-84 (LNS 164) F10A8-EF3-F3-H4 0.09 0.09 1.64 0.45 0.77 0.009 0.005 0.26 4
Lincolnweld® LA-84 (LNS 164) F9A8-EF3-F3-H4 0.09 0.09 1.64 0.45 0.77 0.009 0.005 0.26 4
Lincolnweld® LA-84 (LNS 164) F9P8-EF3-F3-H4 0.09 0.09 1.63 0.47 0.80 0.009 0.005 0.26 4
Lincolnweld® LA-85 (LNS 165) F8A8-ENi5-Ni5-H4 0.07 0.12 1.40 0.22 0.86 0.011 0.007 0.24 3
Lincolnweld® LA-85 (LNS 165) F8P8-ENi5-Ni5-H4 0.07 0.12 1.36 0.21 0.86 0.011 0.007 0.24 3
Lincolnweld® LAC-690 F10A10-ECF5-F5-H4 0.0000 0.10 0.34 0.04 1.25 0.40 2.48 0.010 0.004 0.14 3
Lincolnweld® L-S3 (LNS133U,L50M) F7A8-EH12K-H4 0.07 0.10 1.48 0.090 0.006 0.36 1
Lincolnweld® L-S3 (LNS133U,L50M) F7P8-EH12K-H4 0.08 0.10 1.49 0.009 0.007 0.37 1

FLUX COMPOSITION

Classification %Al2O3 %CaF2 %CaO %MgO %MnO %Na2O %SiO2 %Metal Alloys
Typical Result 20 20 4 32 2 2 15 1 max.