DETAILS
Features
- Can be used for both joining and hardfacing welding
- Optimal bead appearance when used with solid low alloy steel electrodes with a minimum of 0.20% silicon
- Use with both solid and flux cored wires
- 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
- Low Alloy Steel Lincolnweld® LA-75, LA-90, LA-100, LAC-B2, LAC-M2, LAC-Ni2
Typical Applications
- Applications requiring smooth bead appearance
- Hardfacing applications
Special Features
- Basicity Index: 2.0 Density: 1.4 g/cm3
Service Information
You May Also Need
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) @ -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-100 | F9A4-EM2-M2-H8 | As-welded | 640 (93) | 700 (102) | 25 | 125 (92) | ||
Lincolnweld® LA-75 | F7A8-ENi1K-Ni1-H8 | As-welded | 430 (62) | 540 (78) | 28 | 107 (79) | ||
Lincolnweld® LA-90 | F8A4-EA3K-A4-H8 | As-welded | 590 (86) | 680 (99) | 25 | 100 (74) | ||
Lincolnweld® LAC-B2 | F8P2-ECB2-B2-H8 | 1 hour @ 690°C (1275°F) | 500 (72) | 610 (88) | 24 | 149 (110) |
DEPOSIT COMPOSITION
Wire | Classification | %C | %Cr | %Cu | %Mn | %Mo | %Ni | %P | %S | %Si | %Ti+V+Zr |
Diffusible Hydrogen
mL/100g Weld Metal |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Lincolnweld® LA-100 | F9A4-EM2-M2-H8 | 0.05 | 0.07 | 1.28 | 0.41 | 1.76 | 0.007 | 0.004 | 0.51 | 0.02 | 7 | |
Lincolnweld® LA-75 | F7A8-ENi1K-Ni1-H8 | 0.06 | 0.05 | 0.10 | 0.79 | 0.01 | 0.85 | 0.013 | 0.007 | 0.58 | 0.01 | 5 |
Lincolnweld® LA-90 | F8A4-EA3K-A4-H8 | 0.08 | 0.10 | 1.36 | 0.47 | 0.009 | 0.005 | 0.65 | 6 | |||
Lincolnweld® LAC-B2 | F8P2-ECB2-B2-H8 | 0.09 | 1.37 | 0.03 | 0.71 | 0.62 | 0.013 | 0.001 | 0.39 | 7 |
FLUX COMPOSITION
Classification | %Al2O3 | %CaF2 | %CaO | %MgO | %Na2O | %SiO2 | %ZrO2 | %Metal Alloys |
---|---|---|---|---|---|---|---|---|
Typical Result | 15 | 27 | 1 | 30 | 2 | 17 | 7 | 1 |