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Old September 9, 2009, 07:09 PM   #4
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Join Date: October 28, 2006
Location: South Central Michigan...near Ohio, Indiana.
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...or do you need to mix it with another alloy to make it softer?
You would not want to make it softer. Despite the antimony in it, it is pretty soft already. You may want to heat treat it (in oven) to make it harder. Nevertheless, the common practice is to add a little tin (elemental tin, sheet metal is not "tin"), to make the melt flow better in the casting process.
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