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Help me understand my Hamon
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03-07-2019, 09:25 AM
Rasmus Kristens
Steel Addict
Join Date: Jul 2014
Location: Denmark
Posts: 185
I think i figured out the Black line is called the ashi. But what exatly is it? I guess its the line where the steel goes from Austenite to martensite, but why is it dark than the rest?
Rasmus Kristens
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