Prequalified welding procedures must adhere to the strict requiremnts of the welding codes which permit their use. AWS D1.1 Structural Welding Code (Steel) is one that allows their use. Prequalified WPSs are exempt from testing becasue there is reasonable assurance that as long as all the requirements are met the deposited weld will be sound […]
Maintenance-related problems are responsible for a large portion of bad welds in every day welding. However, these causes go unnoticed and unresolved because they happen slowly over time. A proper preventive maintenance program for welding machines, CNC cutting tables and other industrial equipment is absolutely necessary. Many of the problems related to maintenance that cause […]
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