A standardized metallic pattern used to guage the standard and integrity of a welded joint. The pattern undergoes the identical welding procedures because the meant workpiece, permitting for harmful or non-destructive examination. The bodily dimensions and materials composition adhere to established trade codes and specs.
This high quality management measure gives a number of advantages. It verifies welder proficiency, confirms the suitability of welding parameters (e.g., voltage, amperage, journey velocity), and validates the effectiveness of the chosen welding course of and filler metallic. Traditionally, its use has considerably improved the reliability and security of welded constructions throughout numerous industries, together with building, manufacturing, and aerospace, stopping potential failures.