Electron Beam Welding(Cancelled Oct 1990) ARP1317A

This Aerospace Recommended Practice (ARP) describes techniques recommended for use in producing electron beam welded joints in materials commonly employed in the aerospace industry. The guidelines described herein are oriented toward the use of welding equipment capable of maintaining the workpiece at pressure levels of 1 x 10(sup)-4 Torr (133 x 10(sup)-4 Pa) or lower during welding.