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It was a good learning experience though. Next time when I have free time, I'll redo em again to get a better effect.
When I taught metal shop, we would make simple tools like screwdrivers, etc. We would use the forge to try to heat treat them, using the various colors lke you were trying to get as a guide. It's very difficult to do, period, even worse to try to achieve consistent results. Now you are trying to get consistent results on four separate, highly polished, pieces of metal that are difficult to heat to a consistent temperature due to each ones dimensions. Practice on scrap metal. Remember to polish out the coloring before another try. You have a daunting, but INTERESTING task. We were happy to get close to our desired color on a 3/8" X 1" area in class! Stick to it, this kind of experimenting is a great learning process and fun....most of the time!
When I taught metal shop, we would make simple tools like screwdrivers, etc. We would use the forge to try to heat treat them, using the various colors lke you were trying to get as a guide. It's very difficult to do, period, even worse to try to achieve consistent results. Now you are trying to get consistent results on four separate, highly polished, pieces of metal that are difficult to heat to a consistent temperature due to each ones dimensions. Practice on scrap metal. Remember to polish out the coloring before another try. You have a daunting, but INTERESTING task. We were happy to get close to our desired color on a 3/8" X 1" area in class! Stick to it, this kind of experimenting is a great learning process and fun....most of the time!
Yeah it took awhile to polish off the color on the exhaust when I was trying to redo. I should've done it more carefully to make sure all the color was off. That's good advice, I'm going to practice on some scrap metal before I repolish and try again.
Yeah it took awhile to polish off the color on the exhaust when I was trying to redo. I should've done it more carefully to make sure all the color was off. That's good advice, I'm going to practice on some scrap metal before I repolish and try again.
I happen to enjoy machine polishing. I used to teach my students to polish the work with succeedingly fine wet/dry paper until the got up to crocus cloth. Then we would go to the buffer, so they would end up with raw steel that shined like chrome. If our heating attempt didn't work, we could go back to the buffer to get the metal back to raw.....and try again!