HEAT TRANSFER TUBE FOR STEAM GENERATOR AND MANUFACTURE THEREOF
PURPOSE:To obtain prominent corrosion resistance against alkali by a method wherein a substrate, consisting of an Fe-group alloy containing Ni, Cr and the like, is provided with a surface layer, consisting of Ni, Ni alloy and the like, on the surface thereof. CONSTITUTION:The surface of a substrate...
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| creator | KIDA TOSHITAKA KUNIYA JIRO IZUMITANI MASAKIYO URAYAMA YOSHINAO |
| description | PURPOSE:To obtain prominent corrosion resistance against alkali by a method wherein a substrate, consisting of an Fe-group alloy containing Ni, Cr and the like, is provided with a surface layer, consisting of Ni, Ni alloy and the like, on the surface thereof. CONSTITUTION:The surface of a substrate 6 of a steam generating heat transfer tube 1, consisting of an Fe alloy and exposed to alkali concentration environment, is coated with a surface layer 7. In this case, the Fe-group alloy is constituted of Ni, 8-40wt.%; Cr, 15-25wt.%; balance, Fe and inevitable impurities: or C, 0.1wt.% or less; Cr, 15-20wt.%; Ni, 8-15wt.%; Si, 1.0wt.% or less; Mn, 2.0wt.%; balance, Fe and inevitable impurities. On the other hand, the surface layer 7 is constituted of an Ni or Ni alloy containing 60wt.% of Ni or more or constituted Cr, 10-40wt.% and balance, Ni and inevitable impurities while the thickness thereof is 200mum or less. According to this method, prominent corrosion resistance against alkali can be obtained. |
| format | Patent |
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CONSTITUTION:The surface of a substrate 6 of a steam generating heat transfer tube 1, consisting of an Fe alloy and exposed to alkali concentration environment, is coated with a surface layer 7. In this case, the Fe-group alloy is constituted of Ni, 8-40wt.%; Cr, 15-25wt.%; balance, Fe and inevitable impurities: or C, 0.1wt.% or less; Cr, 15-20wt.%; Ni, 8-15wt.%; Si, 1.0wt.% or less; Mn, 2.0wt.%; balance, Fe and inevitable impurities. On the other hand, the surface layer 7 is constituted of an Ni or Ni alloy containing 60wt.% of Ni or more or constituted Cr, 10-40wt.% and balance, Ni and inevitable impurities while the thickness thereof is 200mum or less. According to this method, prominent corrosion resistance against alkali can be obtained.</description><language>eng</language><subject>ALLOYS ; BLASTING ; CHEMICAL SURFACE TREATMENT ; CHEMISTRY ; CLADDING OR PLATING BY SOLDERING OR WELDING ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING MATERIAL WITH METALLIC MATERIAL ; COATING METALLIC MATERIAL ; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ; DIFFUSION TREATMENT OF METALLIC MATERIAL ; FERROUS OR NON-FERROUS ALLOYS ; HEATING ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL ; LIGHTING ; MACHINE TOOLS ; MECHANICAL ENGINEERING ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; METALLURGY ; METHODS OF STEAM GENERATION ; NUCLEAR ENGINEERING ; NUCLEAR PHYSICS ; NUCLEAR POWER PLANT ; PERFORMING OPERATIONS ; PHYSICS ; SOLDERING OR UNSOLDERING ; STEAM BOILERS ; STEAM GENERATION ; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION ; TRANSPORTING ; TREATMENT OF ALLOYS OR NON-FERROUS METALS ; WEAPONS ; WELDING ; WORKING BY LASER BEAM</subject><creationdate>1993</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=19930406&DB=EPODOC&CC=JP&NR=H0587305A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19930406&DB=EPODOC&CC=JP&NR=H0587305A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KIDA TOSHITAKA</creatorcontrib><creatorcontrib>KUNIYA JIRO</creatorcontrib><creatorcontrib>IZUMITANI MASAKIYO</creatorcontrib><creatorcontrib>URAYAMA YOSHINAO</creatorcontrib><title>HEAT TRANSFER TUBE FOR STEAM GENERATOR AND MANUFACTURE THEREOF</title><description>PURPOSE:To obtain prominent corrosion resistance against alkali by a method wherein a substrate, consisting of an Fe-group alloy containing Ni, Cr and the like, is provided with a surface layer, consisting of Ni, Ni alloy and the like, on the surface thereof. CONSTITUTION:The surface of a substrate 6 of a steam generating heat transfer tube 1, consisting of an Fe alloy and exposed to alkali concentration environment, is coated with a surface layer 7. In this case, the Fe-group alloy is constituted of Ni, 8-40wt.%; Cr, 15-25wt.%; balance, Fe and inevitable impurities: or C, 0.1wt.% or less; Cr, 15-20wt.%; Ni, 8-15wt.%; Si, 1.0wt.% or less; Mn, 2.0wt.%; balance, Fe and inevitable impurities. On the other hand, the surface layer 7 is constituted of an Ni or Ni alloy containing 60wt.% of Ni or more or constituted Cr, 10-40wt.% and balance, Ni and inevitable impurities while the thickness thereof is 200mum or less. According to this method, prominent corrosion resistance against alkali can be obtained.</description><subject>ALLOYS</subject><subject>BLASTING</subject><subject>CHEMICAL SURFACE TREATMENT</subject><subject>CHEMISTRY</subject><subject>CLADDING OR PLATING BY SOLDERING OR WELDING</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING MATERIAL WITH METALLIC MATERIAL</subject><subject>COATING METALLIC MATERIAL</subject><subject>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</subject><subject>DIFFUSION TREATMENT OF METALLIC MATERIAL</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>HEATING</subject><subject>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</subject><subject>LIGHTING</subject><subject>MACHINE TOOLS</subject><subject>MECHANICAL ENGINEERING</subject><subject>METAL-WORKING NOT OTHERWISE PROVIDED FOR</subject><subject>METALLURGY</subject><subject>METHODS OF STEAM GENERATION</subject><subject>NUCLEAR ENGINEERING</subject><subject>NUCLEAR PHYSICS</subject><subject>NUCLEAR POWER PLANT</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICS</subject><subject>SOLDERING OR UNSOLDERING</subject><subject>STEAM BOILERS</subject><subject>STEAM GENERATION</subject><subject>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</subject><subject>TRANSPORTING</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><subject>WEAPONS</subject><subject>WELDING</subject><subject>WORKING BY LASER BEAM</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1993</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLDzcHUMUQgJcvQLdnMNUggJdXJVcPMPUggOcXX0VXB39XMNcgwB8h39XBR8Hf1C3RydQ0KDXBVCPFyDXP3deBhY0xJzilN5oTQ3g4Kba4izh25qQX58anFBYnJqXmpJvFeAh4GphbmxgamjMRFKAP50Kdc</recordid><startdate>19930406</startdate><enddate>19930406</enddate><creator>KIDA TOSHITAKA</creator><creator>KUNIYA JIRO</creator><creator>IZUMITANI MASAKIYO</creator><creator>URAYAMA YOSHINAO</creator><scope>EVB</scope></search><sort><creationdate>19930406</creationdate><title>HEAT TRANSFER TUBE FOR STEAM GENERATOR AND MANUFACTURE THEREOF</title><author>KIDA TOSHITAKA ; KUNIYA JIRO ; IZUMITANI MASAKIYO ; URAYAMA YOSHINAO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH0587305A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1993</creationdate><topic>ALLOYS</topic><topic>BLASTING</topic><topic>CHEMICAL SURFACE TREATMENT</topic><topic>CHEMISTRY</topic><topic>CLADDING OR PLATING BY SOLDERING OR WELDING</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING MATERIAL WITH METALLIC MATERIAL</topic><topic>COATING METALLIC MATERIAL</topic><topic>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</topic><topic>DIFFUSION TREATMENT OF METALLIC MATERIAL</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>HEATING</topic><topic>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</topic><topic>LIGHTING</topic><topic>MACHINE TOOLS</topic><topic>MECHANICAL ENGINEERING</topic><topic>METAL-WORKING NOT OTHERWISE PROVIDED FOR</topic><topic>METALLURGY</topic><topic>METHODS OF STEAM GENERATION</topic><topic>NUCLEAR ENGINEERING</topic><topic>NUCLEAR PHYSICS</topic><topic>NUCLEAR POWER PLANT</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>SOLDERING OR UNSOLDERING</topic><topic>STEAM BOILERS</topic><topic>STEAM GENERATION</topic><topic>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><topic>WEAPONS</topic><topic>WELDING</topic><topic>WORKING BY LASER BEAM</topic><toplevel>online_resources</toplevel><creatorcontrib>KIDA TOSHITAKA</creatorcontrib><creatorcontrib>KUNIYA JIRO</creatorcontrib><creatorcontrib>IZUMITANI MASAKIYO</creatorcontrib><creatorcontrib>URAYAMA YOSHINAO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KIDA TOSHITAKA</au><au>KUNIYA JIRO</au><au>IZUMITANI MASAKIYO</au><au>URAYAMA YOSHINAO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>HEAT TRANSFER TUBE FOR STEAM GENERATOR AND MANUFACTURE THEREOF</title><date>1993-04-06</date><risdate>1993</risdate><abstract>PURPOSE:To obtain prominent corrosion resistance against alkali by a method wherein a substrate, consisting of an Fe-group alloy containing Ni, Cr and the like, is provided with a surface layer, consisting of Ni, Ni alloy and the like, on the surface thereof. CONSTITUTION:The surface of a substrate 6 of a steam generating heat transfer tube 1, consisting of an Fe alloy and exposed to alkali concentration environment, is coated with a surface layer 7. In this case, the Fe-group alloy is constituted of Ni, 8-40wt.%; Cr, 15-25wt.%; balance, Fe and inevitable impurities: or C, 0.1wt.% or less; Cr, 15-20wt.%; Ni, 8-15wt.%; Si, 1.0wt.% or less; Mn, 2.0wt.%; balance, Fe and inevitable impurities. On the other hand, the surface layer 7 is constituted of an Ni or Ni alloy containing 60wt.% of Ni or more or constituted Cr, 10-40wt.% and balance, Ni and inevitable impurities while the thickness thereof is 200mum or less. According to this method, prominent corrosion resistance against alkali can be obtained.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ALLOYS BLASTING CHEMICAL SURFACE TREATMENT CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DIFFUSION TREATMENT OF METALLIC MATERIAL FERROUS OR NON-FERROUS ALLOYS HEATING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIGHTING MACHINE TOOLS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY METHODS OF STEAM GENERATION NUCLEAR ENGINEERING NUCLEAR PHYSICS NUCLEAR POWER PLANT PERFORMING OPERATIONS PHYSICS SOLDERING OR UNSOLDERING STEAM BOILERS STEAM GENERATION SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS WELDING WORKING BY LASER BEAM |
| title | HEAT TRANSFER TUBE FOR STEAM GENERATOR AND MANUFACTURE THEREOF |
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