02
2011
-
12
A detailed discussion on the drying issues of acidic and stainless steel welding rods.
Author:
1. It is detrimental to have too low requirements for the use of welding rods.
2. From the perspective of operability and weld formation, drying the welding rods is beneficial when the tension increases. When the oxygen content in the arc atmosphere and the molten pool is high, it will change the surface tension of the molten pool (oxygen is the best activator), making it unfavorable for controlling the molten pool and post-weld formation. This is especially true for welding in spatial positions (such as overhead welding), where the surface tension of the molten pool is helpful for structural welding, which requires drying according to process specifications.
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