The qualification of welders and welding procedures often involves macro-examination of welds. Performing macro-etches is a relatively simple procedure, but strict guidelines must be followed to ensure safety. Most chemicals used in etching solutions are hazardous and must be handled accordingly. Any person etching with these chemicals must familiarize him or herself with the corresponding […]
There is a misconception that welder qualifications are only good for six months. This is not accurate. Most codes state that welder qualifications may lapse if the welder is not engaged in a given process for which he or she is qualified for a period exceeding six months. This means that as long as the […]
Using prequalified welding procedures is a great tool provided by AWS D1.1 which can save time and money. To learn about these advantages read “Benefits of Using Prequalified Welding Procedures.” However, you must be careful and have a sound understanding of Clause 3 of the Structural Welding Code for Steel – AWS D1.1. Some of […]
