PRODUCTION OF EXTREMELY THICK REFINED HIGH STRENGTH STEEL PLATE

PRODUCTION OF EXTREMELY THICK REFINED HIGH STRENGTH STEEL PLATE

PURPOSE:To inexpensively produce an extremely thick refined high strength steel plate and an extremely thick refined low yield ratio high strength steel plate. CONSTITUTION:A prescribed B-added componental series steel contg. 0.1 to 0.2% C, 2.5 to 4.0% Ni and 0.005 to 0.04% Nb is heated to >=1100...

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Hauptverfasser: YAMABA RYOTA, OKAMURA YOSHIHIRO
Format: Patent
Sprache:eng
Schlagworte:
ALLOYS
CHEMISTRY
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
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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creator YAMABA RYOTA
OKAMURA YOSHIHIRO
description PURPOSE:To inexpensively produce an extremely thick refined high strength steel plate and an extremely thick refined low yield ratio high strength steel plate. CONSTITUTION:A prescribed B-added componental series steel contg. 0.1 to 0.2% C, 2.5 to 4.0% Ni and 0.005 to 0.04% Nb is heated to >=1100 deg.C, is rolled, is thereafter held at the time of heating for hardening at 600 deg.C to the Ac1 point for >=30min or is gradually heated and is subjected to heating, hardening and tempering or is subjected to hardening, heat treatment in two phase region and tempering.Thus, the extremely thick HT 100 steel good in weldability can be produced by an inexpensive componental steel contg. relatively low Ni.
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CONSTITUTION:A prescribed B-added componental series steel contg. 0.1 to 0.2% C, 2.5 to 4.0% Ni and 0.005 to 0.04% Nb is heated to &gt;=1100 deg.C, is rolled, is thereafter held at the time of heating for hardening at 600 deg.C to the Ac1 point for &gt;=30min or is gradually heated and is subjected to heating, hardening and tempering or is subjected to hardening, heat treatment in two phase region and tempering.Thus, the extremely thick HT 100 steel good in weldability can be produced by an inexpensive componental steel contg. relatively low Ni.</description><edition>6</edition><language>eng</language><subject>ALLOYS ; CHEMISTRY ; 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 ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>1995</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19950509&amp;DB=EPODOC&amp;CC=JP&amp;NR=H07118741A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19950509&amp;DB=EPODOC&amp;CC=JP&amp;NR=H07118741A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YAMABA RYOTA</creatorcontrib><creatorcontrib>OKAMURA YOSHIHIRO</creatorcontrib><title>PRODUCTION OF EXTREMELY THICK REFINED HIGH STRENGTH STEEL PLATE</title><description>PURPOSE:To inexpensively produce an extremely thick refined high strength steel plate and an extremely thick refined low yield ratio high strength steel plate. 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CONSTITUTION:A prescribed B-added componental series steel contg. 0.1 to 0.2% C, 2.5 to 4.0% Ni and 0.005 to 0.04% Nb is heated to &gt;=1100 deg.C, is rolled, is thereafter held at the time of heating for hardening at 600 deg.C to the Ac1 point for &gt;=30min or is gradually heated and is subjected to heating, hardening and tempering or is subjected to hardening, heat treatment in two phase region and tempering.Thus, the extremely thick HT 100 steel good in weldability can be produced by an inexpensive componental steel contg. relatively low Ni.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record>
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subjects ALLOYS
CHEMISTRY
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
TREATMENT OF ALLOYS OR NON-FERROUS METALS
title PRODUCTION OF EXTREMELY THICK REFINED HIGH STRENGTH STEEL PLATE
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