CORROSION-RESISTANT STEEL MATERIAL FOR SHIP BALLAST TANK HAVING EXCELLENT CORROSION RESISTANCE AND METHOD FOR PRODUCING THE SAME

PROBLEM TO BE SOLVED: To provide an inexpensive corrosion-resistant steel material for a ship ballast tank having excellent corrosion resistance, which exhibits corrosion resistance even under a seawater corrosive environment such as a ship ballast tank, and in which the extension of a period to pai...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	SHIOTANI KAZUHIKO, KOMORI TSUTOMU
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMISTRY EQUIPMENT FOR SHIPPING FERROUS OR NON-FERROUS ALLOYS 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 PERFORMING OPERATIONS RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an inexpensive corrosion-resistant steel material for a ship ballast tank having excellent corrosion resistance, which exhibits corrosion resistance even under a seawater corrosive environment such as a ship ballast tank, and in which the extension of a period to paint refinishing is made possible, and therefore, the reduction in the operation of paint refinishing can be achieved, and a method for producing the same.SOLUTION: The corrosion-resistant steel material for a ship ballast tank is obtained by heating a steel stock having a composition comprising, by mass, 0.03 to 0.20% C, 0.05 to 0.50% Si, 0.7 to 2.0% Mn, ≤0.035% P, ≤0.01% S, ≤0.10% Al, 0.02 to 0.2% Sn, 0.003 to 0.03% Nb, 0.005 to 0.030% Ti and 0.0010 to 0.010% N, and in which the contents of Cu, Ni and Cr are controlled to