Hiroshi Oba

Method of producing ultrafine high-strength, high-ductility steel wire

Method of producing steel wires each having very small diameter, high strength and excellent ductility

High-carbon steel wire rod and wire excellent in drawability and methods of producing the same

HIGH-CARBON STEEL ROD WIRE OR STEEL WIRE EXCELLENT IN WORKABILITY IN WIRE DRAWING AND PROCESS FOR PRODUCING THE SAME

Bainite rod wire or steel wire for wire drawing and process for producing the same

Bainite wire rod and wire for drawing and methods of producing the same

Hochkohlenstoffhaltiger stahldraht oder stahl für solchen draht mit hervorragender ziehbarkeit und verfahren zu dessen herstellung High carbon steel wire or steel for such wire excellent in drawability and methods of manufacture for its

High Carbonaceous steel rod or wire excellent in drawability and methods for their preparation

Barre de bainite ou fil d'acier pour trefilage et procede de production d'une telle barre ou d'un tel fil

Hochkohlenstoffhaltiger stabstahl oder stahldraht mit hervorragenden zieheigenschaften und herstellungsverfahren High carbon steel rod or steel wire with excellent drawing properties and manufacturing processes