WELDING METHOD FOR AUSTENITIC STAINLESS STEEL

PURPOSE:To prevent the solidification clacking and sigma embrittleness of the titled steel used at the elevated temp. by increasing the ferrite deposition amt. of the root pass of weld metal, decreasing the quantity of weld heat input and decreasing the ferrite deposition amt. of the 2nd and subsequ...

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Hauptverfasser:	TAMURA KOUJI, TAKUWA TOSHIAKI
Format:	Patent
Sprache:	eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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creator	TAMURA KOUJI TAKUWA TOSHIAKI
description	PURPOSE:To prevent the solidification clacking and sigma embrittleness of the titled steel used at the elevated temp. by increasing the ferrite deposition amt. of the root pass of weld metal, decreasing the quantity of weld heat input and decreasing the ferrite deposition amt. of the 2nd and subsequent passes. CONSTITUTION:The materials 2A, 2B to be welded are matched of a groove, and such a welding material wherein the ferrite amt. is contained at 2-5wt% in the austenite matrix is used for a root pass 4. The quantity of the heat input at the welding is limited to
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CONSTITUTION:The materials 2A, 2B to be welded are matched of a groove, and such a welding material wherein the ferrite amt. is contained at 2-5wt% in the austenite matrix is used for a root pass 4. The quantity of the heat input at the welding is limited to <=15kJ/cm. Next, in welding the 2nd and subsequent passes, such a welding material wherein the ferrite amt. is <=2wt% is used. The weld zone of the materials 2A, 2B of the austenitic stainless steel welded in this way is reduced of the solidification cracking sensitivity by the weld zone 4 of the root pass and is prevented of the sigma embrittleness by the 2nd 6 and the subsequent passes.</description><language>eng</language><subject>CLADDING OR PLATING BY SOLDERING OR WELDING ; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ; MACHINE TOOLS ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; PERFORMING OPERATIONS ; SOLDERING OR UNSOLDERING ; TRANSPORTING ; WELDING ; WORKING BY LASER BEAM</subject><creationdate>1982</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&date=19820909&DB=EPODOC&CC=JP&NR=S57146477A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19820909&DB=EPODOC&CC=JP&NR=S57146477A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TAMURA KOUJI</creatorcontrib><creatorcontrib>TAKUWA TOSHIAKI</creatorcontrib><title>WELDING METHOD FOR AUSTENITIC STAINLESS STEEL</title><description>PURPOSE:To prevent the solidification clacking and sigma embrittleness of the titled steel used at the elevated temp. by increasing the ferrite deposition amt. of the root pass of weld metal, decreasing the quantity of weld heat input and decreasing the ferrite deposition amt. of the 2nd and subsequent passes. CONSTITUTION:The materials 2A, 2B to be welded are matched of a groove, and such a welding material wherein the ferrite amt. is contained at 2-5wt% in the austenite matrix is used for a root pass 4. The quantity of the heat input at the welding is limited to <=15kJ/cm. Next, in welding the 2nd and subsequent passes, such a welding material wherein the ferrite amt. is <=2wt% is used. The weld zone of the materials 2A, 2B of the austenitic stainless steel welded in this way is reduced of the solidification cracking sensitivity by the weld zone 4 of the root pass and is prevented of the sigma embrittleness by the 2nd 6 and the subsequent passes.</description><subject>CLADDING OR PLATING BY SOLDERING OR WELDING</subject><subject>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</subject><subject>MACHINE TOOLS</subject><subject>METAL-WORKING NOT OTHERWISE PROVIDED FOR</subject><subject>PERFORMING OPERATIONS</subject><subject>SOLDERING OR UNSOLDERING</subject><subject>TRANSPORTING</subject><subject>WELDING</subject><subject>WORKING BY LASER BEAM</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1982</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNANd_Vx8fRzV_B1DfHwd1Fw8w9ScAwNDnH18wzxdFYIDnH09PNxDQ4GslxdfXgYWNMSc4pTeaE0N4Oim2uIs4duakF-fGpxQWJyal5qSbxXQLCpuaGJmYm5uaMxMWoA1Okl_A</recordid><startdate>19820909</startdate><enddate>19820909</enddate><creator>TAMURA KOUJI</creator><creator>TAKUWA TOSHIAKI</creator><scope>EVB</scope></search><sort><creationdate>19820909</creationdate><title>WELDING METHOD FOR AUSTENITIC STAINLESS STEEL</title><author>TAMURA KOUJI ; TAKUWA TOSHIAKI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPS57146477A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1982</creationdate><topic>CLADDING OR PLATING BY SOLDERING OR WELDING</topic><topic>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</topic><topic>MACHINE TOOLS</topic><topic>METAL-WORKING NOT OTHERWISE PROVIDED FOR</topic><topic>PERFORMING OPERATIONS</topic><topic>SOLDERING OR UNSOLDERING</topic><topic>TRANSPORTING</topic><topic>WELDING</topic><topic>WORKING BY LASER BEAM</topic><toplevel>online_resources</toplevel><creatorcontrib>TAMURA KOUJI</creatorcontrib><creatorcontrib>TAKUWA TOSHIAKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TAMURA KOUJI</au><au>TAKUWA TOSHIAKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>WELDING METHOD FOR AUSTENITIC STAINLESS STEEL</title><date>1982-09-09</date><risdate>1982</risdate><abstract>PURPOSE:To prevent the solidification clacking and sigma embrittleness of the titled steel used at the elevated temp. by increasing the ferrite deposition amt. of the root pass of weld metal, decreasing the quantity of weld heat input and decreasing the ferrite deposition amt. of the 2nd and subsequent passes. CONSTITUTION:The materials 2A, 2B to be welded are matched of a groove, and such a welding material wherein the ferrite amt. is contained at 2-5wt% in the austenite matrix is used for a root pass 4. The quantity of the heat input at the welding is limited to <=15kJ/cm. Next, in welding the 2nd and subsequent passes, such a welding material wherein the ferrite amt. is <=2wt% is used. The weld zone of the materials 2A, 2B of the austenitic stainless steel welded in this way is reduced of the solidification cracking sensitivity by the weld zone 4 of the root pass and is prevented of the sigma embrittleness by the 2nd 6 and the subsequent passes.</abstract><oa>free_for_read</oa></addata></record>
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subjects	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
title	WELDING METHOD FOR AUSTENITIC STAINLESS STEEL
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