Joining Steel Pipe To Copper

Turn off water and power to water heater.

Joining steel pipe to copper.

Soldered joints with capillary fittings are used in plumbing for water lines and for sanitary drainage. They are commonly connected or joined via. There are several categories of methods to join copper tube and fittings. Remove the rubber gasket from dielectric union.

Mechanical joints clamps nuts bolts etc welded connections brazed connections. Solder top half of union to copper. If you are soldering a dielectric union bend the last few inches to a 90 degree angle. In my case i was building a homemade pot still and needed to bond the stainless steel tri clamp ferrules to a 2 copper column.

Join the copper to the steel as the two metal pieces or pipes will be connected. In this video this old house plumbing and heating contractor richard trethewey explains how to join steel and copper pipes. Install the lower half of the dielectric union to steel pipe. The manual root pass procedures for cu ni are basically the same as for other alloy piping but the welders may notice the weld metal does not flow as well as an austinetic stainless steel.

Sand the area of the copper you will be soldering with an emery cloth. Preheating the copper is required due to relatively high. The union has threads on one side for the steel pipe and a female slip joint for a solder connection to copper pipe. The pipe interior should be purged with argon using the standard practices for other alloys such as stainless steel and nickel alloys.

The dielectric part is the metal transition feature that prevents electrolytic corrosion from occurring as a result of the joining of copper and galvanized steel. There is no great problem connecting these two metals. Unroll 6 to 10 inches of solder. These joining methods include soldering brazing and electric resistance.

Solder coupling and small length of pipe to end of existing copper water pipe. This is a very common joint in the brewing and distilling industry and knowing the proper way to join these two dissimilar metals. Cut copper pipe just above the corroded connection using a tubing cutter. Use garden hose to drain water from heater s tank.

Solder or brazed joints. Tighten first with pliers then with pipe wrench. Whenever you join copper water lines to galvanized steel pipe you should be concerned about the corrosion caused by joining two dissimilar metals called galvanic corrosion an electrochemical reaction occurs that causes the steel pipe in this case to rust and clog up. If you re building a project that requires you to join a copper and stainless steel part this article will teach you how to do it.

Wrap threads on end of the steel pipe with teflon tape.