PRODUCTION OF CASE HARDENED PARTS MADE OF STEEL

PURPOSE:To easily produce high quality case hardened parts made of steel by subjecting a steel stock for case hardening to high velocity hot forging into a preformed body, finishing the above forging at the prescribed temp., subjecting the above preformed body to warm forging into the prescribed sha...

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Bibliographische Detailangaben
1. Verfasser:	MORIOKA KENJI
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS 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 TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	PURPOSE:To easily produce high quality case hardened parts made of steel by subjecting a steel stock for case hardening to high velocity hot forging into a preformed body, finishing the above forging at the prescribed temp., subjecting the above preformed body to warm forging into the prescribed shape at low draft, and then performing case hardening treatment. CONSTITUTION:High velocity hot forging is applied to a steel stock for case hardening to form it into a preformed body having a shape near to the prescribed shape. It is preferable that this steel stock has a composition containing, by weight,