MANUFACTURING METHOD OF STAINLESS STEEL-BASED SCREW MEMBER FOR PIPING FASTENING, AND STAINLESS STEEL-BASED SCREW MEMBER FOR PIPING FASTENING

PROBLEM TO BE SOLVED: To provide a manufacturing method of a stainless steel-based screw member for piping fastening that prevents problems resulting from liquid lubricant, reduces costs, improves aesthetic appearance and improves prevention of galling and seizure, and a stainless-based screw member...

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Bibliographische Detailangaben
Hauptverfasser:	AKIYAMA MASAHIRO, SHIOMI ICHIRO, IENOBU WATARU, NAKAMOTO MASATOMO, KOIZUMI NOBUO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	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 ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIGHTING MECHANICAL ENGINEERING METALLURGY PERFORMING OPERATIONS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a manufacturing method of a stainless steel-based screw member for piping fastening that prevents problems resulting from liquid lubricant, reduces costs, improves aesthetic appearance and improves prevention of galling and seizure, and a stainless-based screw member for piping fastening.SOLUTION: A manufacturing method of a stainless steel-based screw member for piping fastening includes the steps of: forming a nickel layer on the surface of the stainless steel-based screw member; forming a copper layer on the nickel layer; forming a tin layer on the copper layer; and performing drying at 100°C or less after the steps of forming the tin layer. 【課題】液体潤滑剤に起因する問題を防止し、コストを低減し、美観を向上し、カジリ及び焼き付きの防止を向上する配管締結用ステンレス鋼製ねじ部材の製造方法及び配管締結用ステンレス鋼製ねじ部材を提供する。【解決手段】本発明の配管締結用ステンレス鋼製ねじ部材の製造方法は、ステンレス鋼製ねじ部材の表面にニッケル層を形成する工程と、このニッケル層上に銅層を形成する工程と、この銅層上にスズ層を形成する工程と、このスズ層を形成する工程後に、１００℃以下で乾燥する工程とを備えている。【選択図】なし