Threaded coupling for pipe

Provided is a threaded coupling for a steel pipe having excellent galling resistance and seal performance as a radial-seal type connector. With this threaded coupling a plating having a Vickers hardness of not less than 310 is applied to the screw portion of the box and the inner surface of the box...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TAKANO, JUN, TAKAHASHI, KAZUNARI, NAGAHAMA, TAKUYA, UETA, MASATERU, YOSHIKAWA, MASAKI, KAWAI, TAKAMASA, CHIKATSUNE, HIROSHI, MORIOKA, NOBUHIKO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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