STEEL FOR OIL WELL PIPE, AND METHOD FOR PRODUCING SAME

A steel for an oil well pipe has a chemical composition comprising C, Si, Mn, Al, Mo, P, S, O, N and a remainder made up by Fe and impurities, wherein the half width value (HW) of a crystal face corresponding to crystal face (211) of an ?± phase and the carbon content in the chemical composition as...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Kazuo OKAMURA, Keiichi KONDO, Kenji YAMAMOTO, Yuji ARAI, Kaori KAWANO, Tomohiko OMURA, Koji NAGAHASHI, Masanao SEO, Akihiro SAKAMOTO
Format:	Patent
Sprache:	eng ; spa
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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