Welding

How to read welding gauges Welding gauges are used for checking alignment, dimensions before welding, verifying weld dimensions, or checking porosity of welds. Welding gauges are multipurpose or single purpose. HI-LO welding gauge is used for internal alignment of pipe after fit-up/ alignment. It measures internal misalignment of pipe before and after tacking. The gauge measures internal mismatc...

Welding defects are affecting welding process performance and longevity of weld. Having a good understanding of welding defects and their causes can help to remedy and to ensure higher-quality and longer lasting welds. Some of the most common welding defects can be found in following table. After detection of welding defects, an evaluation has to be carried out to determine the severity and the...