FIELD: welding.
SUBSTANCE: invention relates to automatic submerged arc welding and can be used in welding of metal structures and reservoirs made from sheet parts from low-carbon structural steel with thickness of 5 mm. One-sided single-pass welding of butt seams of sheets is carried out by automatic method under flux of specified composition using ceramic backings for formation of root bead. Flux is produced by remelting metallurgical slag of electric steel-making enterprise, crushing and binding with liquid glass. Welding is performed under flux layer at certain parameters of heat input: welding speed, current intensity, voltage.
EFFECT: obtaining uniform values of mechanical properties and impact strength of the welded joint at the level of base metal due to stabilization of temperature-speed modes of welding and optimum chemical composition of flux and increase of efficiency of welding process due to speed modes of welding.
1 cl, 2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF FUSION WELDING OF STEEL STRUCTURES AND DEVICE FOR ITS IMPLEMENTATION | 2014 |
|
RU2557041C1 |
| METHOD OF SUBMERGED ARC WELDING OF JOINTS RESISTANT TO ELECTROCHEMICAL CORROSION | 2014 |
|
RU2571294C2 |
| ADDITIVE MATERIAL FOR ELECTRIC ARC FLUX WELDING | 1999 |
|
RU2165346C2 |
| METHOD OF HIDDEN ARC WELDING OF PARTS OF DIFFERENT THICKNESS | 2021 |
|
RU2763952C1 |
| METHOD OF AUTOMATIC ONE-SIDE SUBMERGED ARC WELDING | 0 |
|
SU1787086A3 |
| ELECTRIC-ARC WELDING METHOD | 0 |
|
SU743810A1 |
| ARC FUSION WELDING METHOD OF BUTT JOINTS WITH GAP | 2004 |
|
RU2262423C1 |
| METHOD FOR MANUFACTURING DESIGN ASSEMBLY OF TANK BOTTOM WITH ITS WALL | 2021 |
|
RU2772702C1 |
| METHOD OF MAKING RIBBED PANELS | 2012 |
|
RU2483848C1 |
| METHOD OF SINGLE-PASS MECHANIZED WELDING | 0 |
|
SU1745458A1 |
