Submerged Arc Family

Diameters / Packaging

Diameters
50 LB BAG
ED036223

Lincolnweld® 822

Submerged Arc (SAW)

800 Series Neutral Flux

DETAILS

Features

  • Designed for chrome-moly applications with Lincolnweld® LA-92 and LA-93 submerged arc wires
  • Enables high Charpy V-Notch toughness at temperatures below -40°C (-40°F)
  • Step-cooling tests show high resistance to temper embrittlement when welded with Lincolnweld LA-92 and LA-93
  • Low Bruscato factor (X<10) when welded with Lincolnweld LA-92 and LA-93
  • Certificate of Conformance available with LA-71 to create end user convenience with one flux
  • 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

Typical Applications

  • Power Generation
  • Process Chemical
  • Pressure Vessels

Welding Positions

Shielding Gas

Special Features

  • Basicity Index:2.6 Density:1.3

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

See test result disclaimer

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) @ -30°C (-20°F)
Charpy V-Notch
J (ft-lbs) @ -40°C (-40°F)
Charpy V-Notch
J (ft-lbs) @ -62°C (-80°F)
Lincolnweld® LA-71 F7A8-EM14K-H4 As-welded 480 (70) 590 (85) 27 136 (100)
Lincolnweld® LA-71 F7P8-EM14K-H4 1 hour @ 620°C (1150°F) 450 (65) 570 (82) 29 148 (109)
Lincolnweld® LA-92 (LNS 150) F8P4-EB2R-B2R-H4 1 hour @ 690°C (1275°F) 490 (71) 590 (86) 27 176 (130)
Lincolnweld® LA-92 (LNS 150) F9A2-EB2R-B2R-H4 As-welded 610 (89) 710 (103) 24 46 (34)
Lincolnweld® LA-93 (LNS 151) F9P4-EB3R-B3R-H4 1 hour @ 690°C (1275°F) 570 (82) 670 (97) 23 95 (70)

DEPOSIT COMPOSITION

Wire Classification %As %C %Cr %Cu %Mn %Mo %P %S %Sb %Si %Sn Diffusible Hydrogen
mL/100g Weld Metal
Lincolnweld® LA-71 F7A8-EM14K-H4 0.09 0.14 1.26 0.007 0.005 0.51 4
Lincolnweld® LA-71 F7P8-EM14K-H4 0.09 0.13 1.27 0.007 0.004 0.51 4
Lincolnweld® LA-92 (LNS 150) F8P4-EB2R-B2R-H4 0.002 0.10 1.18 0.06 0.91 0.55 0.006 0.004 0.001 0.22 0.001 3
Lincolnweld® LA-92 (LNS 150) F9A2-EB2R-B2R-H4 0.002 0.08 1.16 0.06 0.90 0.53 0.007 0.004 0.001 0.22 0.001 3
Lincolnweld® LA-93 (LNS 151) F9P4-EB3R-B3R-H4 0.005 0.08 2.43 0.11 0.78 0.95 0.005 0.004 0.001 0.18 0.001 4

FLUX COMPOSITION

Classification %Al2O3 %CaF2 %CaO %MgO %MnO %Na2O %SiO2 %Metal Alloys
Typical Result 18 22 4 31 2 3 16 3 max.