jis sks93
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AISI O2 Cold Work Tool Steel
O2 Steel is an oil hardening tool steel which is supplied in the annealed condition and characterised by its characteristics of offering good durability. O2 tool steel is with excellent wear resistance and its ability to hold a good cutting edge.
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SKS93 Cold Work Die Steel
SKS93 high-speed tool steel, Japan's Hitachi constant-type oil steel series, is an improved steel type SK-3. Because the manganese and chromium and other ingredients are used to improve oil recovery and quenching, it can avoid quenching cracks and deformation that are easy to cause when ordinary high-carbon steel is quenched. It can obtain better sharpness and hardening ability (deeper hardening depth) than SK-3. Easy to process, with high hardness and wear resistance of general high carbon steel.
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