Sister publication to C7.1 Recommended Practices for Electron Beam Welding, this standard discusses applicable specifications, safety, requirements, fabrication, quality examination, equipment calibration and maintenance, approval, and delivery of work. Includes sample WPS and PQR forms, as well as an economic Nondestructive Evaluation Discontinuity Limits chart. C7.1 is a best of industry practices standard that uses should while this standard uses shall. ANSI Approved. This is the 2003 reaffirmation version.