Outside weld beads which extend above the prolongation of the original surface of the pipe (more than 1/8 in. for pipe having a thickness of 1/2 in. and under, and more than 3/16 in. for a pipe having a thickness of over 1/2 in (Bul 5T1)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}