Welding and Soldering Certification: Standards for Copper Piping and Tubing
This procedure explains soldering copper tubes and copper alloy fittings (0.375” to 8.0” nominal). It includes types, processes, tool use, torch safety, and compliance with ASTM B 828. Although there is no formal certification, technicians soldering or brazing copper in HVAC systems should know these specifications. The American Welding Society (AWS) is a prominent organization … Read more