Welding Copper Pipe To Steel

Oxygen free copper will allow copper to retain the original bronze color after welding by preventing oxidation.

Welding copper pipe to steel.

Now technically this would be classified as tig brazing because the stainless steel has a higher melting point then the silicon bronze filler rod. Two basic principles that must be observed in welding cu ni clad steel plate are. My client is presently silver soldering these butt joints but that is pretty expensive. Https goo gl frdnss why would you weld copper pipes versus soldering copper pipes pizzawelder well p.

Remove the old union from the steel pipe. Never let the carbon steel weld penetrate the alloy cladding or alloy weld. Install the lower half of the dielectric union to steel pipe. The heat required for this type of welding is approximately twice that required for steel of similar thickness.

This was done using a tig welder with silicon bronze rod. Wrap threads on end of the steel pipe with teflon tape. This alloy generally has less than 0 02 oxygen. To offset this heat loss a tip one or two sizes larger than that required for steel is recommended.

So here is the video with a few tips on silver brazing copper to steel and brazing stainless steel bolts to some copper washers. Use two pipe wrenches to loosen the old union. P deoxidized copper contains low amounts of oxygen but tends to have up to 0 05 phosphorus and 0 05 arsenic which can release fumes. I use the term silver brazing instead of silver solder because technically anything over 840 degress f is brazing.

Copper welding is not hard. Steel welds with copper pickup are susceptible to hot cracking. Subscribe for new videos every monday and friday. Below is a picture of a successful copper pipe to stainless steel tri clamp ferrule weld.

And do not weld with ecuni or ercuni on to steel or exceed about 10 iron in the weld. I would like to know if it is possible to tig weld copper pipe fittings to 300 series stainless steel. A tig weld would be much preferable. Cut copper pipe just above the corroded connection using a tubing cutter.

Copper is a malleable metal used in a variety of functions including water transportation and ornamental decorations. Copper has a high thermal conductivity.