{"title":"HAP (High-Speed Tool Steel)","description":"\u003cp\u003eDeveloped by Hitachi Metals (now Proterial), HAP is a type of Powdered High-Speed Tool Steel that boasts world-class hardness and incredible edge retention (Nagagire). Originally used for industrial cutting tools and heavy-duty molds, its extraordinary durability has earned it high praise as a core material for high-performance luxury knives.\u003c\/p\u003e\u003cp\u003e日立金属（現：プロテリアル）が開発した「粉末ハイス鋼（高速度工具鋼）」の一種であり、現代の包丁鋼材においてトップクラスの硬度と驚異的な切れ味の持続性（永切れ）を誇る超高性能鋼材です。元々は金属を削る超強力な金型や工業用切削工具に使われていた素材ですが、その並外れた耐久性から、現在は高級包丁用の芯材として非常に高く評価されています。\u003c\/p\u003e","products":[],"url":"https:\/\/yayoiknife.jp\/ja\/collections\/hap-high-speed-tool-steel.oembed","provider":"yayoiknife","version":"1.0","type":"link"}