This specification presents the minimum equipment and procedure requirements for the ultrasonic examination of brazed joints.

Safety and health issues and concerns are beyond the scope of this standard and therefore are not fully addressed herein. Safety and health information is available from other sources, including, but not limited to, ANSI Z49.1, Safety in Welding, Cutting, and Allied Processes, and applicable federal and state regulations.

This standard makes use of both U.S. Customary Units and the International System of Units (SI). The measurements may not be exact equivalents; therefore, each system must be used independently of the other without combining in any way. The standard with the designation C3.8M:2005 uses SI Units. The standard with the designation C3.8:2005 uses U.S. Customary Units.