STEEL FOR CHISELS AND CHISEL

The present invention provides a steel for chisels and a chisel, which have improved durability. The steel that constitutes the chisel (10) according to the present invention is characterized by comprising 0.40-0.45 mass% carbon, 0.50-0.80 mass% silicon, 1.00-1.30 mass% manganese, 0.001-0.005 mass%...

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Bibliographische Detailangaben
Hauptverfasser:	TSUNEKAGE NORIMASA, AMADA EIJI, OCHIAI AKIHIRO, NAGAKI YUKO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALLOYS CHEMISTRY EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FERROUS OR NON-FERROUS ALLOYS FIXED CONSTRUCTIONS HAND TOOLS MANIPULATORS METALLURGY MINING MINING OR QUARRYING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PERCUSSIVE TOOLS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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