Pacheco Welding is certified in: 6G Pipe Welding which includes, Carbon Pipe, Stainless Steel, Process Pipe, Gas, Steam and Chilled Water Piping We specialize in Welding Applications such as TIG, MIG, STICK. We follow the API 1104 and ASME B31 pipe welding procedures which includes root pass, filled pass, and cover pass in down hand or up hand positions. Pacheco Welding offers X RAY PIPE WELDING. (X-ray Welding is an experimental welding process that uses a high powered X-ray source to provide thermal energy required to weld certain materials)