Descripción
Características:
LSF-39 is an active flux. It is designed for butt or fillet welding on sheet metal with nice bead appearance, porosity resistance and good slag forming and removing and improved toughness. prevent porosity during welding. It is recommend for single pass welding steel plate under 25 mm thick.
Aplicaciones:
Typical applications include pressure vessels, H beam, pipe-mill application, shipbuilding, LPG Tank and general steel structure.
Notas sobre el uso:
1. Dry the flux at 350℃ for 60 minutes before use
2. Not recommended to welding more than two passes.
Clasificación:
AWS A5.17 F7A2-EM12K
Composición química típica del metal de soldadura (wt%)
| C | Mn | Si | P | S |
| 0.09 | 1.33 | 0.6 | 0.015 | 0.010 |
Propiedades mecánicas típicas del metal de soldadura
| YP N/mm2 | TS N/mm2 | EL % | IV -20ºC J |
| 436 | 533 | 27.5 | 67 |
Tamaños y rango de corriente recomendado ( DC+)
| Alambre Diámetro (mm) | 2.4 | 3.2 | 4.0 |
| Alambre Peso por rollo (kg) | 25 | 25 | 25 |
| Flujo: Peso por bolsa (kg) | 25 | 25 | 25 |

