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Old April 1, 2013, 07:27 PM   #1
Junior Member
Join Date: April 1, 2013
Posts: 3
1:10 alloy question

As I understand a 1:10 alloy of lead and tin has a hardness of 11-12, I have read that after 20 days it will loss about 4 bhn for a hardness of 7-8 is this correct or is it harder when just cast?
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