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Old January 20, 2013, 09:52 PM   #10
Senior Member
Join Date: February 23, 2005
Location: Helena, Mt.
Posts: 119
You might want to try mixing the COWW and the SOWW 50/50, then water drop them from the mould. You should see about 15 to 17 BHN after a couple of weeks. The tin aids in fluidity (good mould fillout), but has nothing to do with the alloy's ability to heat treat harden.
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