Diámetros / Embalaje
|
Diámetros mm |
50 lb Bag |
|---|---|
| Flux | EDS27857 |
Detalles
- 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
Características
- 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
Servicio de información
Documentación
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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 |