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SLD8(Hitachi) - Patented Hitachi cold work die steel. Composition information was found on a dealer site and matches closely Hitachi description, which is still not published. Working hardness is 60-62HRC as per Hitachi brochure. Although, in the same brochure JIS SKD-11 steel is said to be 58-60HRC. May be the numbers are for dies and other tools, but in knives SKD11 can be found hardened up to 64HRC. I don't think SLD8 will have problems at 64HRC either. As per Hitachi SLD8 has increased wear resistance, due to better hardness, and overall better resistance to deformation.
Manufacturing Technology - Ingot
Country - Japan(JP)
Known Aliases:
Hitachi - S-Magic, Hitachi - SLD Magic
- Proprietary Equivalents
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