This is more of a blacksmithing question. I was working tonight on forging a pair of tongs (to make knives with, there, now we're on topic). I was using some mystery metal I found in the form of a sucker rod of some kind. Actually, it was a piece that was used to join two wood rods together. The wood was originally held in by copper rivets that were a bear to get out. I split off the two ears that went around the wood rod, and used each one for a side of tongs. As I heated the metal up for the first time, and there was a glowing white/blue scale on it that flew off at the first few hits. I'm not too experienced, and I have no idea what that was. It wasn't quite a white like burning magnesium, but more bluish. The steel is mild, judging by the spark pattern, and it was all rusty, so I don't think it was galvanized. Any ideas?
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