This steel is almost stainless. Some people say it takes a bad edge and holds it all day long. I disagree with this statement. I think D2 is a great steel that works well in knives.
PSF27 is made by a process called spray forming. Spray forming is different than particle metallurgy. To spray form steel is melted and sprayed to form a billet. The result is D2 with better edge holding and toughness than cast D2.
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