Blackening Stressproof steel
#2
As long as you stay below the critical temperature of any material, no significant change to its properties will occur.
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Blackening Stressproof steel - by Sunset Machine - 04-30-2012, 09:42 AM
RE: Blackening Stressproof steel - by Tony Wells - 04-30-2012, 07:06 PM



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