DE3138274

An apparatus for hardening a steel pipe by quenching it with cooling water, comprises a cylindrical assembly including a casing and a cover, said casing being removably mated with said cover so that said cylindrical assembly may be selectively opened or closed, a plurality of supports disposed withi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MIMURA, YUKIHIRO, HANDA, AICHI, JP, TAKITANI, KEIICHIRO, NAGOYA, AICHI, JP, OHSHIMATANI, TOSHIO, AICHI, JP, MAGUCHI, TATSUO, AICHI, JP, NOZAWA, KENGO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY 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
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Beschreibung
Zusammenfassung:	An apparatus for hardening a steel pipe by quenching it with cooling water, comprises a cylindrical assembly including a casing and a cover, said casing being removably mated with said cover so that said cylindrical assembly may be selectively opened or closed, a plurality of supports disposed within said cylindrical assembly for supporting a steel pipe to be hardened so as to align the steel pipe with said cylindrical assembly, and nozzle means disposed at one end of said cylindrical assembly for injecting cooling water into said cylindrical assembly for cooling water to flow both outside and inside the steel pipe in the longitudinal direction thereof. The steel pipe is uniformly quenched over its entire length.