Welding of Welders All about Welding and Welders
Porosity vs. Blowholes — A Complete Practical Guide for Welders and Inspectors Porosity and blowholes are two of the most common gas-related discontinuities you’ll encounter in welding and casting. On the surface they can look similar—small pits, cavities, or irregular hollows in the weld—but their origins, shapes, consequences, and fixes …
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