Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
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Filing date
Publication date
Application filed by Kobe Steel LtdfiledCriticalKobe Steel Ltd
Priority to JP4552077ApriorityCriticalpatent/JPS53130220A/en
Publication of JPS53130220ApublicationCriticalpatent/JPS53130220A/en
PURPOSE: To obtain a high speed steel tool having excellent hardness and toughness by hot rolling a N enriched high speed tool steel in its quench hardening temp. zone followed by quenching and tempering.
COPYRIGHT: (C)1978,JPO&Japio
JP4552077A1977-04-191977-04-19Manufacture of high speed steel tool
PendingJPS53130220A
(en)