Did a CL pickup last friday of mostly old steel ductwork. There was also 2 pieces of copper piping. They were both identical, normal copper pipe going to a small brass fixture and then a shiny silver pipe on the other end. I didn't give it much thought other than putting a magnet to the silver pipe, when it didn't stick I assumed stainless steel. Was cleaning up my little work area today and picked these pipes up to remove them from the brass, thats when I noticed how "soft" they were, obviously not stainless. Cut them with my bolt cutters and could see the copper colour where I made the cut. One of them still had the barcode tag sticker thing on it, was pretty beat up but the word chrome was still there.
Long story short.... how are these graded?
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