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rambler68 · April 1, 2013, 07:27 PM

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?

April 1, 2013, 07:27 PM	#1
rambler68 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?