I need this to be paraphrased and add this part
Some things for discussion or conclusion, wherever they fit
The material should be square and based off our results they were not. The difference between width and thickness initially was 0.003 about or 3 thousandths of an inch. While it may not seem like a lot, this can make the difference of a percentage point or two. So this alone cause uncertainty in the initial area and then later on as well. I imagine that the given CW percentage was based on a square and uniform material as well. Clearly not the case for out material, it is expensive to get a piece that close so that could be an improvement later on.
Also different people may have ran the hardness testing machine that always causes for uncertainty. When someone was wire brushing the material, if one side was cleaner than another, or had more surface taken off, that all produces differences that are minute but make a difference.
