This spacing is critical for the solder metal to flow into the gap and form a strong joint. Copper is a relatively soft metal. If too much material is removed from the tube end or fitting cup ...

At that time, most soldering irons were of the heavy variety used for sheet-metal work. With the advent of the electrical industry, the smaller electrically heated soldering iron came into its own.

Understanding the types of copper tubing and how to properly join them is vital to the operation and lifespan and efficiency of a system. The training manual simplifys soldering and brazing ...