Category: Knife Steel

How good is HAP40 steel?

HAP40 steel is high-speed tool steel produced by a Japanese company by the name Hitachi metals following the Powdered Metallurgy process. The mixture of components

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Spyderco K390 steel knife
Knife Steel
Parker Thompson

What is K390 Steel?

K390 contains high amounts of Vanadium, giving it outstanding toughness and excellent wear resistance, making it a good choice for knife makers. In addition to

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