NON-HEAT TREATED BAR STEEL FOR HOT FORGING

PURPOSE: To produce a non-heat treated bar steel effectively contg. the elements to be added, free from the need of refining heat treatment after forming, having high strength and furthermore excellent in toughness and ductility. CONSTITUTION: This non-heat treated bar steel for hot forging has a co...

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Bibliographische Detailangaben
Hauptverfasser:	NAKAMURA MORIFUMI, NAKATANI YOSHIYUKI, KAWAKAMI HEIJIRO, MAEDA TOSHIO
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	PURPOSE: To produce a non-heat treated bar steel effectively contg. the elements to be added, free from the need of refining heat treatment after forming, having high strength and furthermore excellent in toughness and ductility. CONSTITUTION: This non-heat treated bar steel for hot forging has a compsn. contg., by weight, 0.05 to 0.15% C, 0.05 to 1.00% Si, 1.30 to 2.50% Mn, 0.30 to 2.00% Cr, 0.015 to 0.060% acid soluble Al, 0.010 to 0.100% Ti, 0.0003 to 0.0050% B and