LOW ALLOYED STEEL FOR OILFIELD GAGE PIPES HAVING EXCELLENT RESISTANCE TO SULPHIDE STRESS CRACKING, AND ITS MANUFACTURING METHOD
FIELD: metallurgy.SUBSTANCE: invention relates to metallurgy, namely to low-alloy steel for oilfield gage pipes. Steel has chemical composition, containing, in wt%: C: from 0.56 to 1.00, Si: from 0.05 to 0.50, Mn: from 0.05 to 1.00, P: not exceeding 0.025, S: not exceeding 0.010, Al: from 0.005 to 0...
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| creator | ARAI, JUdzi KAVANO, Kaori KONDO, Kejiti JAMAMOTO, Kendzi OKAMURA, Kadzuo OMURA, Tomokhiko SAKAMOTO, Akikhiro |
| description | FIELD: metallurgy.SUBSTANCE: invention relates to metallurgy, namely to low-alloy steel for oilfield gage pipes. Steel has chemical composition, containing, in wt%: C: from 0.56 to 1.00, Si: from 0.05 to 0.50, Mn: from 0.05 to 1.00, P: not exceeding 0.025, S: not exceeding 0.010, Al: from 0.005 to 0.100, Mo: from 0.40 to 1.00, V: from 0.07 to 0.30, O: not exceeding 0.010, N: not exceeding 0.03, rest is Fe and unavoidable impurities. Steel has yield point, making at least 862 MPa, and diffraction maximum width at half height for crystal lattice plane [211], obtained by x-ray diffraction measurement is not more than 0.50°.EFFECT: steel has high mechanical properties and resistance to corrosion in sulphide containing environment.22 cl, 4 dwg, 4 tbl, 2 ex
Изобретение относится к области металлургии, а именно к низколегированной стали для труб нефтепромыслового сортамента. Сталь имеет химический состав, содержащий, в мас.%: С: от 0,56 до 1,00, Si: от 0,05 до 0,50, Mn: от 0,05 до 1,00, Р: не более 0,025, S: не более 0,010, Al: от 0,005 до 0,100, Mo: от 0,40 до 1,00, V: от 0,07 до 0,30, О: не более 0,010, N: не более 0,03, остальное - Fe и неизбежные примеси. Сталь имеет предел текучести, составляющий по меньшей мере 862 МПа, а ширина дифракционного максимума на половине высоты для плоскости [211] кристаллической решетки, полученного измерением рентгеновской дифракции, составляет не более 0,50°. Сталь имеет высокие механические свойства и стойкость к коррозии в сульфидосодержащей среде. 4 н. и 18 з.п. ф-лы, 4 ил., 4 табл., 2 пр. |
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| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_RU2605033C1</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>RU2605033C1</sourcerecordid><originalsourceid>FETCH-epo_espacenet_RU2605033C13</originalsourceid><addsrcrecordid>eNqNjDsOwjAQBdNQIOAOewCQAhH0K3sdWyx25A-fKoqQqRBECj1XJ0gcgGqKN2-mxZvdCZDZXUhCiEQMynlwhpUhllBjTdCYhgJoPBpbA50FMZON4CmYENEKguggJG60kTRWxiGA8Cj242EJaCWYGOCANikUMflv50BROzkvJrfuPuTFj7MCFEWhV7l_tnnou2t-5Ffr02ZXbsuqEuvqD-UDpH87dg</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>LOW ALLOYED STEEL FOR OILFIELD GAGE PIPES HAVING EXCELLENT RESISTANCE TO SULPHIDE STRESS CRACKING, AND ITS MANUFACTURING METHOD</title><source>esp@cenet</source><creator>ARAI, JUdzi ; KAVANO, Kaori ; KONDO, Kejiti ; JAMAMOTO, Kendzi ; OKAMURA, Kadzuo ; OMURA, Tomokhiko ; SAKAMOTO, Akikhiro</creator><creatorcontrib>ARAI, JUdzi ; KAVANO, Kaori ; KONDO, Kejiti ; JAMAMOTO, Kendzi ; OKAMURA, Kadzuo ; OMURA, Tomokhiko ; SAKAMOTO, Akikhiro</creatorcontrib><description>FIELD: metallurgy.SUBSTANCE: invention relates to metallurgy, namely to low-alloy steel for oilfield gage pipes. Steel has chemical composition, containing, in wt%: C: from 0.56 to 1.00, Si: from 0.05 to 0.50, Mn: from 0.05 to 1.00, P: not exceeding 0.025, S: not exceeding 0.010, Al: from 0.005 to 0.100, Mo: from 0.40 to 1.00, V: from 0.07 to 0.30, O: not exceeding 0.010, N: not exceeding 0.03, rest is Fe and unavoidable impurities. Steel has yield point, making at least 862 MPa, and diffraction maximum width at half height for crystal lattice plane [211], obtained by x-ray diffraction measurement is not more than 0.50°.EFFECT: steel has high mechanical properties and resistance to corrosion in sulphide containing environment.22 cl, 4 dwg, 4 tbl, 2 ex
Изобретение относится к области металлургии, а именно к низколегированной стали для труб нефтепромыслового сортамента. Сталь имеет химический состав, содержащий, в мас.%: С: от 0,56 до 1,00, Si: от 0,05 до 0,50, Mn: от 0,05 до 1,00, Р: не более 0,025, S: не более 0,010, Al: от 0,005 до 0,100, Mo: от 0,40 до 1,00, V: от 0,07 до 0,30, О: не более 0,010, N: не более 0,03, остальное - Fe и неизбежные примеси. Сталь имеет предел текучести, составляющий по меньшей мере 862 МПа, а ширина дифракционного максимума на половине высоты для плоскости [211] кристаллической решетки, полученного измерением рентгеновской дифракции, составляет не более 0,50°. Сталь имеет высокие механические свойства и стойкость к коррозии в сульфидосодержащей среде. 4 н. и 18 з.п. ф-лы, 4 ил., 4 табл., 2 пр.</description><language>eng ; rus</language><subject>ALLOYS ; BLASTING ; CHEMISTRY ; ENGINEERING ELEMENTS AND UNITS ; FERROUS OR NON-FERROUS ALLOYS ; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; JOINTS OR FITTINGS FOR PIPES ; LIGHTING ; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS ; MEANS FOR THERMAL INSULATION IN GENERAL ; MECHANICAL ENGINEERING ; METALLURGY ; METALLURGY OF IRON ; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS ; PIPES ; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING ; THERMAL INSULATION IN GENERAL ; TREATMENT OF ALLOYS OR NON-FERROUS METALS ; WEAPONS</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=20161220&DB=EPODOC&CC=RU&NR=2605033C1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20161220&DB=EPODOC&CC=RU&NR=2605033C1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ARAI, JUdzi</creatorcontrib><creatorcontrib>KAVANO, Kaori</creatorcontrib><creatorcontrib>KONDO, Kejiti</creatorcontrib><creatorcontrib>JAMAMOTO, Kendzi</creatorcontrib><creatorcontrib>OKAMURA, Kadzuo</creatorcontrib><creatorcontrib>OMURA, Tomokhiko</creatorcontrib><creatorcontrib>SAKAMOTO, Akikhiro</creatorcontrib><title>LOW ALLOYED STEEL FOR OILFIELD GAGE PIPES HAVING EXCELLENT RESISTANCE TO SULPHIDE STRESS CRACKING, AND ITS MANUFACTURING METHOD</title><description>FIELD: metallurgy.SUBSTANCE: invention relates to metallurgy, namely to low-alloy steel for oilfield gage pipes. Steel has chemical composition, containing, in wt%: C: from 0.56 to 1.00, Si: from 0.05 to 0.50, Mn: from 0.05 to 1.00, P: not exceeding 0.025, S: not exceeding 0.010, Al: from 0.005 to 0.100, Mo: from 0.40 to 1.00, V: from 0.07 to 0.30, O: not exceeding 0.010, N: not exceeding 0.03, rest is Fe and unavoidable impurities. Steel has yield point, making at least 862 MPa, and diffraction maximum width at half height for crystal lattice plane [211], obtained by x-ray diffraction measurement is not more than 0.50°.EFFECT: steel has high mechanical properties and resistance to corrosion in sulphide containing environment.22 cl, 4 dwg, 4 tbl, 2 ex
Изобретение относится к области металлургии, а именно к низколегированной стали для труб нефтепромыслового сортамента. Сталь имеет химический состав, содержащий, в мас.%: С: от 0,56 до 1,00, Si: от 0,05 до 0,50, Mn: от 0,05 до 1,00, Р: не более 0,025, S: не более 0,010, Al: от 0,005 до 0,100, Mo: от 0,40 до 1,00, V: от 0,07 до 0,30, О: не более 0,010, N: не более 0,03, остальное - Fe и неизбежные примеси. Сталь имеет предел текучести, составляющий по меньшей мере 862 МПа, а ширина дифракционного максимума на половине высоты для плоскости [211] кристаллической решетки, полученного измерением рентгеновской дифракции, составляет не более 0,50°. Сталь имеет высокие механические свойства и стойкость к коррозии в сульфидосодержащей среде. 4 н. и 18 з.п. ф-лы, 4 ил., 4 табл., 2 пр.</description><subject>ALLOYS</subject><subject>BLASTING</subject><subject>CHEMISTRY</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>JOINTS OR FITTINGS FOR PIPES</subject><subject>LIGHTING</subject><subject>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</subject><subject>MEANS FOR THERMAL INSULATION IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>METALLURGY</subject><subject>METALLURGY OF IRON</subject><subject>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</subject><subject>PIPES</subject><subject>SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2016</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjDsOwjAQBdNQIOAOewCQAhH0K3sdWyx25A-fKoqQqRBECj1XJ0gcgGqKN2-mxZvdCZDZXUhCiEQMynlwhpUhllBjTdCYhgJoPBpbA50FMZON4CmYENEKguggJG60kTRWxiGA8Cj242EJaCWYGOCANikUMflv50BROzkvJrfuPuTFj7MCFEWhV7l_tnnou2t-5Ffr02ZXbsuqEuvqD-UDpH87dg</recordid><startdate>20161220</startdate><enddate>20161220</enddate><creator>ARAI, JUdzi</creator><creator>KAVANO, Kaori</creator><creator>KONDO, Kejiti</creator><creator>JAMAMOTO, Kendzi</creator><creator>OKAMURA, Kadzuo</creator><creator>OMURA, Tomokhiko</creator><creator>SAKAMOTO, Akikhiro</creator><scope>EVB</scope></search><sort><creationdate>20161220</creationdate><title>LOW ALLOYED STEEL FOR OILFIELD GAGE PIPES HAVING EXCELLENT RESISTANCE TO SULPHIDE STRESS CRACKING, AND ITS MANUFACTURING METHOD</title><author>ARAI, JUdzi ; KAVANO, Kaori ; KONDO, Kejiti ; JAMAMOTO, Kendzi ; OKAMURA, Kadzuo ; OMURA, Tomokhiko ; SAKAMOTO, Akikhiro</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_RU2605033C13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; rus</language><creationdate>2016</creationdate><topic>ALLOYS</topic><topic>BLASTING</topic><topic>CHEMISTRY</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>JOINTS OR FITTINGS FOR PIPES</topic><topic>LIGHTING</topic><topic>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</topic><topic>MEANS FOR THERMAL INSULATION IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>METALLURGY</topic><topic>METALLURGY OF IRON</topic><topic>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</topic><topic>PIPES</topic><topic>SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>ARAI, JUdzi</creatorcontrib><creatorcontrib>KAVANO, Kaori</creatorcontrib><creatorcontrib>KONDO, Kejiti</creatorcontrib><creatorcontrib>JAMAMOTO, Kendzi</creatorcontrib><creatorcontrib>OKAMURA, Kadzuo</creatorcontrib><creatorcontrib>OMURA, Tomokhiko</creatorcontrib><creatorcontrib>SAKAMOTO, Akikhiro</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ARAI, JUdzi</au><au>KAVANO, Kaori</au><au>KONDO, Kejiti</au><au>JAMAMOTO, Kendzi</au><au>OKAMURA, Kadzuo</au><au>OMURA, Tomokhiko</au><au>SAKAMOTO, Akikhiro</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>LOW ALLOYED STEEL FOR OILFIELD GAGE PIPES HAVING EXCELLENT RESISTANCE TO SULPHIDE STRESS CRACKING, AND ITS MANUFACTURING METHOD</title><date>2016-12-20</date><risdate>2016</risdate><abstract>FIELD: metallurgy.SUBSTANCE: invention relates to metallurgy, namely to low-alloy steel for oilfield gage pipes. Steel has chemical composition, containing, in wt%: C: from 0.56 to 1.00, Si: from 0.05 to 0.50, Mn: from 0.05 to 1.00, P: not exceeding 0.025, S: not exceeding 0.010, Al: from 0.005 to 0.100, Mo: from 0.40 to 1.00, V: from 0.07 to 0.30, O: not exceeding 0.010, N: not exceeding 0.03, rest is Fe and unavoidable impurities. Steel has yield point, making at least 862 MPa, and diffraction maximum width at half height for crystal lattice plane [211], obtained by x-ray diffraction measurement is not more than 0.50°.EFFECT: steel has high mechanical properties and resistance to corrosion in sulphide containing environment.22 cl, 4 dwg, 4 tbl, 2 ex
Изобретение относится к области металлургии, а именно к низколегированной стали для труб нефтепромыслового сортамента. Сталь имеет химический состав, содержащий, в мас.%: С: от 0,56 до 1,00, Si: от 0,05 до 0,50, Mn: от 0,05 до 1,00, Р: не более 0,025, S: не более 0,010, Al: от 0,005 до 0,100, Mo: от 0,40 до 1,00, V: от 0,07 до 0,30, О: не более 0,010, N: не более 0,03, остальное - Fe и неизбежные примеси. Сталь имеет предел текучести, составляющий по меньшей мере 862 МПа, а ширина дифракционного максимума на половине высоты для плоскости [211] кристаллической решетки, полученного измерением рентгеновской дифракции, составляет не более 0,50°. Сталь имеет высокие механические свойства и стойкость к коррозии в сульфидосодержащей среде. 4 н. и 18 з.п. ф-лы, 4 ил., 4 табл., 2 пр.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ALLOYS BLASTING CHEMISTRY ENGINEERING ELEMENTS AND UNITS FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS |
| title | LOW ALLOYED STEEL FOR OILFIELD GAGE PIPES HAVING EXCELLENT RESISTANCE TO SULPHIDE STRESS CRACKING, AND ITS MANUFACTURING METHOD |
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