Manufacturing method of corrosion-resistant alloy for ship centrifugal pump

The invention provides a manufacturing method of a corrosion-resistant alloy for a ship centrifugal pump. The manufacturing method is characterized by comprising the working procedures of vacuum induction (VIM), electroslag remelting (ESR), forging, nondestructive testing and rolling which are carri...

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Bibliographische Detailangaben
Hauptverfasser:	XIA PANKE, WANG JING, LIU SHANGTAN, DING QI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALLOYS CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS FORGE FURNACES FORGING GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS HAMMERING MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS PRESSING METAL PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS PUNCHING METAL RIVETING ROLLING OF METAL TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	The invention provides a manufacturing method of a corrosion-resistant alloy for a ship centrifugal pump. The manufacturing method is characterized by comprising the working procedures of vacuum induction (VIM), electroslag remelting (ESR), forging, nondestructive testing and rolling which are carried out in sequence. Wherein the vacuum induction VIM means that the melting process and the refining process are controlled to be carried out under the high-vacuum condition with the vacuum degree smaller than 2.0 Pa; a slag system of the electroslag remelting ESR adopts quaternary pre-melting slag; the quaternary pre-melting slag is prepared from CaF2, Al2O3, CaO and MgO; the heating temperature of forging is not higher than 1200 DEG C; the rolling heating temperature is not higher than 1200 DEG C. The seawater uniform corrosion resistance is more excellent; the seawater point corrosion resistance is more excellent; the service life is longer; and more materials are saved, the weight is lighter, and the environmen