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Submerged Arc Welding Production Advantages

 In sub arc welding

Steel is being used hugely in wide range of applications, particularly the construction of buildings, ships, bridges and industrial/enterprise lines. The definitive attributes of steel like it being rust resistant, temperature tolerant, extremely high strength and high elasticity make it an uncontested choice. Along with the increasing use of SS and other steels in fabrication activities, sciences have been also geared to develop dedicated techniques of conditioning it. This becomes particularly relevant because steel is a difficult material to be worked upon; especially if it’s welding is attempted. Submerged arc welding (SAW) or submerged melt welding is one such technique of welding the steel alloys of diversity. The results through this technique are very refined and finesse driven to suit the precise applications that are least tolerant to dimensional changes.

The advantages of sub arc welding make it the preferred choice for steel fabrication. Most of the advantages are actually derived from the process itself that involves the presence of a flux channel that shields the entire welding zone including the arc, the weld point and the electrode that is being consumed. This is also the reason that it is called as ‘submerged’! Here are the prime advantages of submerged arc welding –

1. The flux in the molten state allows high current to flow through it. This higher current reinforces the efficiency of the entire welding process. The direct implication is the intensification of the heat that makes welding more efficient. This further means that sub arc welding will be effective to develop thicker and deeper joints that are not possible by other arc techniques.

2. The high heat concentration in the welding joint increases the speed of process significantly. The timelines are thus reduced and more of the work could be done.

3. Welding distortions are the undesirable characteristics that are hard to eliminate in steel joints. However, with the submerged melt welding technique these distortions and anomalies are less existent because the high heat and better speed of metal deposition negates the possibility of the inconsistencies.

4. The presence of the flux channel eliminates the sparks and flashes and also prevents the splatter and splash of molten metal on the welding workers. This is a great advantage that is directly related to flux.

5. Quality of the weld is high with superior level of uniformity and also corrosion resistance.

6. The presence of flux that shields the arc and weld joint throughout also prevents the contamination of the metal deposition. This is a fine advantage derived from sub arc welding.

7. This type of welding technique is useful in outdoor where there is high wind speed as the flux prevents the impact of wind on process.

8. There is no requirement of the preparation of the edge before attempting the welding.

These advantages are superb and makes sub arc welding the best choice for steel fabrication tasks.

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