METHOD FOR MANUFACTURING NON-HEAT-TREATED SMALL SCREW

PROBLEM TO BE SOLVED: To provide a new technical means which can manufacture a non-heat-treated high strength small screw excellent in toughness and delayed cracking resistance at a low cost by saving the resources and processes. SOLUTION: To a hot-rolled steel wire rod having a chemical component c...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MURAMATSU EIJIRO, TORITSUKA SHIRO
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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