DIE STEEL AND DIE

To provide a die steel that has both of a high hardness and a high shock value, and shows high resistance to thermal shock, and to provide a die.SOLUTION: A die steel comprises, in mass%, 0.35%≤C≤0.55%, 0.05%≤Si≤0.40%, 1.50%≤Mn≤2.50%, 7.5%≤Cr≤9.0%, 0.90%≤Mo≤2.5%, 0.40%≤V≤0.80%, with the balance bein...

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Bibliographische Detailangaben
1. Verfasser:	HIGUCHI SHIGEKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ALLOYS CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CHEMISTRY FERROUS OR NON-FERROUS ALLOYS FOUNDRY MOULDING GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	To provide a die steel that has both of a high hardness and a high shock value, and shows high resistance to thermal shock, and to provide a die.SOLUTION: A die steel comprises, in mass%, 0.35%≤C≤0.55%, 0.05%≤Si≤0.40%, 1.50%≤Mn≤2.50%, 7.5%≤Cr≤9.0%, 0.90%≤Mo≤2.5%, 0.40%≤V≤0.80%, with the balance being Fe and inevitable impurities. A die is constituted by using such a die steel.SELECTED DRAWING: Figure 1 【課題】高硬度と高衝撃値を両立し、熱衝撃に対して高い耐性を示す金型用鋼、および金型を提供する。【解決手段】質量％で、０．３５％≦Ｃ≦０．５５％、０．０５％≦Ｓｉ≦０．４０％、１．５０％≦Ｍｎ≦２．５０％、７．５％≦Ｃｒ≦９．０％、０．９０％≦Ｍｏ≦２．５％、０．４０％≦Ｖ≦０．８０％を含有し、残部がＦｅおよび不可避的不純物よりなる、金型用鋼とする。また、そのような金型用鋼を用いて、金型を構成する。【選択図】図１