Copper Stainless Steel Reaction

However mixing these metals is not generally advised due to the potential for sudden pipe corrosion and discolored water.

Copper stainless steel reaction.

These metals are used because of their durability and long lifespans. The principal metals of concern in terms of direct contact are aluminum and zinc. It is not necessary to isolate copper from lead tin or stainless steel under most circumstances. In most cases when stainless steel was in the passive state and acted as the cathode the contact accelerated copper corrosion.

In addition the area ratio of stainless steel to copper altered copper corrosion behavior. Corrosion issues with aluminum copper and stainless steel 2004. I am constructing a project utilizing a knock down aluminum tube frame. I wish to use hard copper elbows to join aluminum tube frame members.

There are three commonly used metals for potable water plumbing pipes including stainless steel copper and brass. Lead and copper are quite close on the nobility table to stainless steel and so the bimetallic corrosion risks should be small. Any corrosion product if washed onto stainless steel may however result in problems not associated with the bi metallic effect and so not be predicted from the tables. If copper is connected to stainless steel type 304 then the copper will corrode to sacrifice to the stainless steel.

The elbows must be permanently joined to one frame member at each knock down joint.