COMPOSITION, AND THREADED CONNECTION FOR PIPES INCLUDING LUBRICANT COATING LAYER FORMED FROM THE COMPOSITION

This disclosure provides a composition for obtaining a threaded connection for pipes that has excellent galling resistance and excellent high torque performance, and a threaded connection for pipes which includes a lubricant coating layer formed from the composition and which has excellent galling r...

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Bibliographische Detailangaben
Hauptverfasser:	GOTO, Kunio, ABE, Tomoka
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS THEREFOR BLASTING CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ENGINEERING ELEMENTS AND UNITS FUELS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL JOINTS OR FITTINGS FOR PIPES LIGHTING LUBRICANTS LUBRICATING COMPOSITIONS MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES PIPES PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TECHNICAL GASES CONTAINING CARBON MONOXIDE THERMAL INSULATION IN GENERAL USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION WEAPONS
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Beschreibung
Zusammenfassung:	This disclosure provides a composition for obtaining a threaded connection for pipes that has excellent galling resistance and excellent high torque performance, and a threaded connection for pipes which includes a lubricant coating layer formed from the composition and which has excellent galling resistance and excellent high torque performance. The composition according to the present disclosure is a composition for forming a lubricant coating layer (21) on or above a threaded connection for pipes, and contains polyisobutylene, a metal soap, a wax and a basic metal salt of an aromatic organic acid. The threaded connection for pipes according to the present disclosure includes: a pin (3) having a pin-side contact surface (34) which includes a pin-side threaded portion; a box (4) having a box-side contact surface (44) which includes a box-side threaded portion; and a lubricant coating layer (21) formed from the aforementioned composition as an outermost layer on or above at least one of the pin-side contact surface (34) and the box-side contact surface (44).