Durchmesser / Lieferform
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Durchmesser |
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DETAILS
Eigenschaften
- A nitrogen limiting flux designed for seam welding of pipe
- Recommended for automatic single pass welding with up to five arcs
- Produces welds with minimal buildup and good penetration
- Capable of producing Charpy V-Notch test results required for arctic grade service
- 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
- Mild Steel Lincolnweld® L-61® Low Alloy Steel Lincolnweld® L-70, LA-81, LA-90
Typische Anwendungen
- Automatic, single pass welding
- Single or multiple arc welding
- High speed longitudinal seam welding on a range of pipe steels
- One side welding requiring impact properties
Besondere Eigenschaften
- Basicity Index: 1.3 Density: 1.0 g/cm3
Service Informationen
BEFORE USE, READ AND UNDERSTAND THE SAFETY DATA SHEET (SDS) FOR THIS PRODUCT AND SPECIFIC INFORMATION PRINTED ON THE PRODUCT CONTAINER. SDS-Suchseite
Siehe Testergebnis Haftungsausschluss
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) |
|---|---|---|---|---|---|---|---|
| Lincolnweld® Emergence® 61 | F6TA2-EM12K-H4 | As-welded | 480 (70) | 590 (85) | 29 | 79 (58) | |
| Lincolnweld® L-61® | F7A4-EM12K-H4 | As-welded | 410 (59) | 500 (72) | 32 | 195 (144) | |
| Lincolnweld® L-70 | F8A2-EA1-A4 | As-welded | 480 (70) | 580 (84) | 25 | 61 (45) | |
| Lincolnweld® LA-81 (LNS 140TB) | F9A2-EG-G-H4 | As-welded | 540 (78) | 630 (91) | 28 | 66 (49) | |
| Lincolnweld® LA-90 | F9A2-EA3K-G-H8 | As-welded | 600 (87) | 720 (104) | 26 | 65 (48) |
DEPOSIT COMPOSITION
| Wire | Classification | %B | %C | %Cr | %Cu | %Mn | %Mo | %Ni | %P | %S | %Si |
Diffusible Hydrogen
mL/100g Weld Metal |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lincolnweld® L-61® | F7A4-EM12K-H4 | 0.06 | 0.08 | 1.59 | 0.014 | 0.009 | 0.40 | 3 | ||||
| Lincolnweld® L-70 | F8A2-EA1-A4 | 0.05 | 0.15 | 1.43 | 0.50 | 0.020 | 0.010 | 0.25 | ||||
| Lincolnweld® LA-81 (LNS 140TB) | F9A2-EG-G-H4 | 0.0038 | 0.05 | 0.06 | 0.11 | 1.75 | 0.42 | 0.03 | 0.017 | 0.007 | 0.47 | 4 |
| Lincolnweld® LA-90 | F9A2-EA3K-G-H8 | 0.06 | 0.07 | 0.11 | 2.17 | 0.42 | 0.05 | 0 | 0 | 0.68 | 4 |
FLUX COMPOSITION
| Classification | %Al2O3 | %CaF2 | %CaO | %FeO | %MgO | %MnO | %Na2O | %SiO2 | %TiO2 | %ZrO2 | %Metal Alloys |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Typical Result | 23 | 12 | 4 | 3 | 17 | 11 | 4 | 23 | 1 | 2 | 3 max. |