DETAILS
- Features the chemical composition of 761 with a particle size optimized for seam welding
- Low-melting slag system produces wide flat welds with superior resistance to cracks and pockmarking
- Can handle up to 5 arcs or 5,000 amps
Features
- Features the chemical composition of 761 with a particle size optimized for seam welding
- Low-melting slag system produces wide flat welds with superior resistance to cracks and pockmarking
- Can handle up to 5 arcs or 5,000 amps
- 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
Disclaimers
Service Information
Documentation
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
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) |
|---|---|---|---|---|---|---|
| Lincolnweld® L-50® | F7A2-EM13K-H4 | As-welded | 450 (65) | 570 (82) | 28 | 75 (55) |
| Lincolnweld® L-60 | F7A2-EL12-H4 | As-welded | 410 (60) | 520 (76) | 29 | 92 (68) |
| Lincolnweld® L-61® | F7A2-EM12K-H4 | As-welded | 460 (66) | 570 (83) | 28 | 81 (60) |
DEPOSIT COMPOSITION
| Wire | Classification | %C | %Cu | %Mn | %P | %S | %Si |
Diffusible Hydrogen
mL/100g Weld Metal |
|---|---|---|---|---|---|---|---|---|
| Lincolnweld® L-50® | F7A2-EM13K-H4 | 0.03 | 0.07 | 2.00 | 0.017 | 0.008 | 1.02 | 3 |
| Lincolnweld® L-60 | F7A2-EL12-H4 | 0.04 | 0.08 | 1.44 | 0.018 | 0.007 | 0.67 | 3 |
| Lincolnweld® L-61® | F7A2-EM12K-H4 | 0.04 | 0.10 | 1.83 | 0.019 | 0.008 | 0.94 | 3 |
FLUX COMPOSITION
| Classification | %Al2O3 | %CaF2 | %FeO | %MgO | %MnO | %Na2O | %SiO2 | %TiO2 | %Metal Alloys |
|---|---|---|---|---|---|---|---|---|---|
| Typical Result | 2 | 6 | 3 | 20 | 21 | 3 | 43 | 2 | 6 max. |