I am starting to get together some things that I will use and need for fabricating. One of the items is copper wire.
Today, the guy doing the electrical in my kitchen was tossing some short pieces of bare copper wire, the remnants of his electrical work. I snatched them. Then I started bending them and playing with them a bit. I was surprised to find that they were stiffer than I thought copper wire would be. This is the size common to 110v. outlet boxes. I can make this stuff work, but might want to use some smaller gauge wire. I intend to bend them around round rod to make a spiral, then pull the wire apart to make the spiral longer.
My question: Is there a difference in copper wires as to copper content? Are they made in different concentrations of copper, making them more or less stiff?