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Welding technology (3) |
Miscellaneous Welding
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Post Weld Heat Treatment (PWHT) PWHT - short for Post Weld Heat Treatment - is the more familiar and international name for what is also known as low-stress annealing. Such heat treatment .. |
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Back purging Process Back purging is the process of shielding the inside of the weld with an inert gas to prevent contamination during the welding process, resulting .. |
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Welding stainless steel to other steels Welding dissimilar metal with stainless steel can be performed with most full welding methods, including TIG (Tungsten Inert Gas) and .. |
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Welding of O-Let Fittings Based on the number of occurrences it is clear that a significant misunderstanding exists on how much welding is required for a complete installation of .. |
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Explosion Welding The process uses an explosive detonation as the energy source to produce a metallurgical bond between metal components. It can be .. |
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What is a Golden Weld? If a weld on pressure equipment cannot be subjected to a pressure test (hydrostatic or pneumatic) even though the pressure equipment design code requires it .. |
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What is AWS? The American Welding Society (AWS) was founded in 1919 as a nonprofit organization to advance the science technology and .. |
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P Number Group in Welding The primary purpose of the P number system is to reduce the number of welding procedure qualifications by grouping materials that have similar properties, such as .. |
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