Where used, weld tabs shall be removed to within 1/8 in. (3 mm) of the base metal surface and the end of the weld finished, except at continuity plates where removal to within 1/4 in. (6 mm) of the plate edge shall be permitted. Removal shall be by air carbon arc cutting (CAC-A), grinding, chipping, or thermal cutting. The process shall be controlled to minimize errant gouging. The edges where weld tabs have been removed shall be finished to a surface roughness of 500 μin. (12.5 μm) or better. The contour of the weld end shall provide a smooth transition to adjacent surfaces, free of notches, gouges, and sharp corners. Weld defects greater than 1/16 in. (2 mm) deep shall be excavated and repaired by welding in accordance with an applicable WPS. Other weld defects shall be removed by grinding and faired to a slope not greater than 1:5.
Loading…