SEAWATER-RESISTANT STAINLESS CLAD STEEL

Disclosed is a manufacturing method for a seawater-resistant stainless clad steel including a cladding material made of stainless steel having a pitting index represented by Cr[mas %]+3.3Mo[mass %]+16N[mass %], of 35.0 or more and a microstructure in a surface portion thereof including, by area rati...

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Bibliographische Detailangaben
Hauptverfasser:	Yazawa, Yoshihiro, Kishi, Keiichiro, Hoshino, Toshiyuki, Tachibana, Shunichi
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	Disclosed is a manufacturing method for a seawater-resistant stainless clad steel including a cladding material made of stainless steel having a pitting index represented by Cr[mas %]+3.3Mo[mass %]+16N[mass %], of 35.0 or more and a microstructure in a surface portion thereof including, by area ratio, less than 2.0% of a σ phase. The method including the steps of performing a mechanical treatment from at least one of grindstone polishing and belt polishing and performing at least one of an electrolytic treatment in acid solutions or in neutral salt solutions, and a pickling treatment, to manufacture the stainless clad steel having dynamic friction coefficients in the rolling direction and in a direction at a right angle to the rolling direction, determined in accordance with JIS K 7125, both of 0.05 or less.