PRODUCTION OF STAINLESS STEEL

PRODUCTION OF STAINLESS STEEL

PURPOSE:To prevent intergranular oxidation and to make pressing as an electrode easy in the stage of producing an electrode material for electron guns for cathode-ray tubes by using vacuum molten austenitic stainless steel by performing all the annealing works during production stage in a dry hydrog...

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Hauptverfasser: MISHIMA HIDEMICHI, AKIYOSHI HIDEKAZU
Format: Patent
Sprache:eng
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CHEMISTRY
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
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creator MISHIMA HIDEMICHI
AKIYOSHI HIDEKAZU
description PURPOSE:To prevent intergranular oxidation and to make pressing as an electrode easy in the stage of producing an electrode material for electron guns for cathode-ray tubes by using vacuum molten austenitic stainless steel by performing all the annealing works during production stage in a dry hydrogen atmosphere. CONSTITUTION:Nonmagnetic austenitic stainless steel is used as an electrode material for electron guns for cathode ray tubes. In the case of working the ingot of vacuum molten austenitic stainless steel in the srages of scalping, forging, scalping, annealing, hot rolling, pickling, annealing, cold rolling and bright annealing in order to improve mechanical properties such as tensile strength, elongation and others required during pressing for working to eletrodes, all the annealing works are accomplished in a dry hydrogen atmosphere of
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CONSTITUTION:Nonmagnetic austenitic stainless steel is used as an electrode material for electron guns for cathode ray tubes. In the case of working the ingot of vacuum molten austenitic stainless steel in the srages of scalping, forging, scalping, annealing, hot rolling, pickling, annealing, cold rolling and bright annealing in order to improve mechanical properties such as tensile strength, elongation and others required during pressing for working to eletrodes, all the annealing works are accomplished in a dry hydrogen atmosphere of &lt;=dew point -50 deg.C, whereby the intergranular oxidation of the stainless steel material is prevented. 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subjects CHEMISTRY
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
title PRODUCTION OF STAINLESS STEEL
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