STEEL PLATE HAVING EXCELLENT HYDROGEN-INDUCED-CRACKING RESISTANCE AND TOUGHNESS, AND STEEL TUBE FOR LINE PIPE
The present invention provides a steel plate having demonstrably excellent hydrogen-induced cracking resistance and toughness. The steel plate is characterized in including, in percent by mass, 0.02-0.15% of C, 0.02-0.50% of Si, 0.6-2.0% of Mn, more than 0% and up to 0.030% of P, more than 0% and up...
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| creator | KATO, TAKU KAWANO, HARUYA |
| description | The present invention provides a steel plate having demonstrably excellent hydrogen-induced cracking resistance and toughness. The steel plate is characterized in including, in percent by mass, 0.02-0.15% of C, 0.02-0.50% of Si, 0.6-2.0% of Mn, more than 0% and up to 0.030% of P, more than 0% and up to 0.003% of S, 0.010-0.08% of Al, 0.0003-0.0060% of Ca, 0.001-0.01% of N, and more than 0% and no more than 0.0045% of O, the balance comprising iron and unavoidable impurities; the mass ratio of Ca to S (Ca/S) being at least 2.0; the amounts of Ca, S, and O satisfying the equation (Ca-1.25 S)/O‰¤1.80; and the Ar gas content of the steel being no greater than 0.5 µL/cm 3 . |
| format | Patent |
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The steel plate is characterized in including, in percent by mass, 0.02-0.15% of C, 0.02-0.50% of Si, 0.6-2.0% of Mn, more than 0% and up to 0.030% of P, more than 0% and up to 0.003% of S, 0.010-0.08% of Al, 0.0003-0.0060% of Ca, 0.001-0.01% of N, and more than 0% and no more than 0.0045% of O, the balance comprising iron and unavoidable impurities; the mass ratio of Ca to S (Ca/S) being at least 2.0; the amounts of Ca, S, and O satisfying the equation (Ca-1.25 S)/O‰¤1.80; and the Ar gas content of the steel being no greater than 0.5 µL/cm 3 .</description><language>eng ; fre ; ger</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 ; PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL ; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>2016</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=20160511&DB=EPODOC&CC=EP&NR=3018231A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25569,76552</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20160511&DB=EPODOC&CC=EP&NR=3018231A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KATO, TAKU</creatorcontrib><creatorcontrib>KAWANO, HARUYA</creatorcontrib><title>STEEL PLATE HAVING EXCELLENT HYDROGEN-INDUCED-CRACKING RESISTANCE AND TOUGHNESS, AND STEEL TUBE FOR LINE PIPE</title><description>The present invention provides a steel plate having demonstrably excellent hydrogen-induced cracking resistance and toughness. The steel plate is characterized in including, in percent by mass, 0.02-0.15% of C, 0.02-0.50% of Si, 0.6-2.0% of Mn, more than 0% and up to 0.030% of P, more than 0% and up to 0.003% of S, 0.010-0.08% of Al, 0.0003-0.0060% of Ca, 0.001-0.01% of N, and more than 0% and no more than 0.0045% of O, the balance comprising iron and unavoidable impurities; the mass ratio of Ca to S (Ca/S) being at least 2.0; the amounts of Ca, S, and O satisfying the equation (Ca-1.25 S)/O‰¤1.80; and the Ar gas content of the steel being no greater than 0.5 µL/cm 3 .</description><subject>ALLOYS</subject><subject>CHEMISTRY</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</subject><subject>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</subject><subject>METALLURGY</subject><subject>METALLURGY OF IRON</subject><subject>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</subject><subject>PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL</subject><subject>TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2016</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjEsKwjAYBrtxIeod_gNYsHbjNiZfm2D4G5K06KoUiSsfhXp_xMcBXA0Dw8yzW4iAJWdFBGnRGa4JRwlrwZH0SfmmBueGVSuhcumFPLwbj2BCFCxBghXFpq01I4T1R7_T2O5BVePJGgY547DMZpfhOqXVj4uMKkSp8zQ--jSNwznd07OHKzfFblsWoij_SF6pIDY5</recordid><startdate>20160511</startdate><enddate>20160511</enddate><creator>KATO, TAKU</creator><creator>KAWANO, HARUYA</creator><scope>EVB</scope></search><sort><creationdate>20160511</creationdate><title>STEEL PLATE HAVING EXCELLENT HYDROGEN-INDUCED-CRACKING RESISTANCE AND TOUGHNESS, AND STEEL TUBE FOR LINE PIPE</title><author>KATO, TAKU ; KAWANO, HARUYA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3018231A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2016</creationdate><topic>ALLOYS</topic><topic>CHEMISTRY</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</topic><topic>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</topic><topic>METALLURGY</topic><topic>METALLURGY OF IRON</topic><topic>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</topic><topic>PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL</topic><topic>TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>KATO, TAKU</creatorcontrib><creatorcontrib>KAWANO, HARUYA</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KATO, TAKU</au><au>KAWANO, HARUYA</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>STEEL PLATE HAVING EXCELLENT HYDROGEN-INDUCED-CRACKING RESISTANCE AND TOUGHNESS, AND STEEL TUBE FOR LINE PIPE</title><date>2016-05-11</date><risdate>2016</risdate><abstract>The present invention provides a steel plate having demonstrably excellent hydrogen-induced cracking resistance and toughness. The steel plate is characterized in including, in percent by mass, 0.02-0.15% of C, 0.02-0.50% of Si, 0.6-2.0% of Mn, more than 0% and up to 0.030% of P, more than 0% and up to 0.003% of S, 0.010-0.08% of Al, 0.0003-0.0060% of Ca, 0.001-0.01% of N, and more than 0% and no more than 0.0045% of O, the balance comprising iron and unavoidable impurities; the mass ratio of Ca to S (Ca/S) being at least 2.0; the amounts of Ca, S, and O satisfying the equation (Ca-1.25 S)/O‰¤1.80; and the Ar gas content of the steel being no greater than 0.5 µL/cm 3 .</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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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 PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | STEEL PLATE HAVING EXCELLENT HYDROGEN-INDUCED-CRACKING RESISTANCE AND TOUGHNESS, AND STEEL TUBE FOR LINE PIPE |
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