Diameters / Packaging
|
Diameters |
50 lb Bag |
|---|---|
| Flux | EDS27857 |
DETAILS
- General purpose flux designed to weld butt joints and flat and horizontal fillets
- When used with Lincolnweld® L-50® or L-61®, it is capable of producing 480 MPa (70 ksi) tensile strength after stress relief
- Small loss of strength when used in the stress-relieved condition
Features
- Industry standard for submerged arc welding applications
- Excellent operating characteristics in a variety of general welding applications
- Capable of producing weld deposits with impact toughness exceeding 27 J (20 ft•lbf) at -40°C (-40°F) with Lincolnweld® L-61®
- 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) |
Charpy V-Notch
J (ft-lbs) @ -45°C (-50°F) |
|---|---|---|---|---|---|---|---|
| Lincolnweld® L-50® | F7A2-EM13K-H8 | As-welded | 510 (74) | 610 (88) | 24 | 92 (68) | |
| Lincolnweld® L-50® | F7P5-EM13K-H8 | 1 hour @ 620°C (1150°F) | 460 (66) | 580 (84) | 29 | 66 (49) | |
| Lincolnweld® L-61® | F7A2-EM12K-H8 | As-welded | 460 (67) | 560 (81) | 27 | 144 (106) | |
| Lincolnweld® L-61® | F7P2-EM12K-H8 | 1 hour @ 620°C (1150°F) | 420 (61) | 540 (78) | 30 | 180 (133) | |
| Lincolnweld® LA-71 | F7A2-EM14K-H8 | As-welded | 530 (77) | 630 (91) | 28 | 157 (116) | |
| Lincolnweld® LA-75 | F8A2-ENi1K-G-H8 | As-welded | 520 (76) | 620 (90) | 25 | 121 (89) | |
| Lincolnweld® LA-75 | F8P2-ENi1K-G-H8 | 1 hour @ 620°C (1150°F) | 490 (71) | 610 (89) | 28 | 87 (64) |
DEPOSIT COMPOSITION
| Wire | Classification | %C | %Cr | %Cu | %Mn | %Mo | %Ni | %P | %S | %Si | %Ti |
Diffusible Hydrogen
mL/100g Weld Metal |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lincolnweld® L-50® | F7A2-EM13K-H8 | 0.06 | 0.12 | 1.35 | 0.014 | 0.008 | 0.62 | 5 | ||||
| Lincolnweld® L-50® | F7P5-EM13K-H8 | 0.06 | 0.09 | 1.41 | 0.014 | 0.008 | 0.66 | 5 | ||||
| Lincolnweld® L-61® | F7A2-EM12K-H8 | 0.06 | 0.05 | 1.26 | 0.014 | 0.007 | 0.55 | 4 | ||||
| Lincolnweld® L-61® | F7P2-EM12K-H8 | 0.06 | 0.05 | 1.21 | 0.015 | 0.009 | 0.52 | 4 | ||||
| Lincolnweld® LA-71 | F7A2-EM14K-H8 | 0.07 | 0.11 | 1.33 | 0.012 | 0.005 | 0.69 | 0.07 | 6 | |||
| Lincolnweld® LA-75 | F8A2-ENi1K-G-H8 | 0.05 | 0.03 | 0.08 | 1.36 | 0.00 | 0.80 | 0.012 | 0.008 | 0.82 | 6 | |
| Lincolnweld® LA-75 | F8P2-ENi1K-G-H8 | 0.06 | 0.04 | 0.09 | 1.29 | 0.00 | 0.82 | 0.012 | 0.007 | 0.79 | 6 |
FLUX COMPOSITION
| Classification | %Al2O3 | %CaF2 | %MgO | %MnO | %Na2O | %SiO2 | %TiO2 | %Metal Alloys |
|---|---|---|---|---|---|---|---|---|
| Typical Result | 35 | 19 | 15 | 4 | 2 | 11 | 11 | 3 |