Steel for Pipes of Strength Class K60 (X70) with Ferrite, Martensite and M/A-Component Microstructure for Sections of Main Pipelines Crossing Active Tectonic Disturbance Zones
Formation of the microstructure and properties of pipe steel grade K60 (X70) are studied using physical modeling of thermomechanical processing in a DUO 300 laboratory mill and industrial experiment. Steel microstructure is investigated and temperature ranges for formation of various phases and stru...
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| Veröffentlicht in: | Metallurgist (New York) 2021-05, Vol.65 (1-2), p.34-49 |
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| creator | Matrosov, M. Yu Sakharov, M. S. Sychev, O. N. Mishnev, P. A. Lipin, V. K. Shulga, E. V. Martynov, P. G. Kichkina, A. A. Nedzvetskiy, M. Yu |
| description | Formation of the microstructure and properties of pipe steel grade K60 (X70) are studied using physical modeling of thermomechanical processing in a DUO 300 laboratory mill and industrial experiment. Steel microstructure is investigated and temperature ranges for formation of various phases and structural components (ferrite, bainite, martensite, M/A-component) with accelerated cooling are determined. It is found that formation of martensitic regions and M/A-component as secondary structural constituents in a ferrite matrix instead of cementite-containing secondary structures facilitates an increase in steel strength and improvement of the σ
y
/σ
f
ratio without a significant reduction in cold resistance. The chemical composition of steel grade K60 (X70) is developed on the basis of laboratory and industrial experiments, as well as a new industrial process for producing rolled product for pipes for the Sila Sibiri gas pipeline sections crossing active tectonic disturbance zones. Sheet and pipes have a low σ
y
/σ
f
ratio, high values of relative and uniform elongation, impact strength and proportion of ductile component in a fracture after DWTT testing at – 20°C. |
| doi_str_mv | 10.1007/s11015-021-01131-y |
| format | Article |
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y
/σ
f
ratio without a significant reduction in cold resistance. The chemical composition of steel grade K60 (X70) is developed on the basis of laboratory and industrial experiments, as well as a new industrial process for producing rolled product for pipes for the Sila Sibiri gas pipeline sections crossing active tectonic disturbance zones. Sheet and pipes have a low σ
y
/σ
f
ratio, high values of relative and uniform elongation, impact strength and proportion of ductile component in a fracture after DWTT testing at – 20°C.</description><identifier>ISSN: 0026-0894</identifier><identifier>EISSN: 1573-8892</identifier><identifier>DOI: 10.1007/s11015-021-01131-y</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Bainite ; Cement constituents ; Cementite ; Characterization and Evaluation of Materials ; Chemical composition ; Chemistry and Materials Science ; Ductile fracture ; Elongation ; Ferrite ; Gas pipelines ; High strength low alloy steels ; Impact strength ; Intermetallic compounds ; Iron compounds ; Iron constituents ; Laboratories ; Low temperature resistance ; Martensite ; Materials Science ; Metallic Materials ; Microstructure ; Natural gas ; Pipes ; Steel pipes ; Tectonics ; Tectonics (Geology) ; Thermomechanical analysis ; Thermomechanical treatment</subject><ispartof>Metallurgist (New York), 2021-05, Vol.65 (1-2), p.34-49</ispartof><rights>Springer Science+Business Media, LLC, part of Springer Nature 2021</rights><rights>COPYRIGHT 2021 Springer</rights><rights>Springer Science+Business Media, LLC, part of Springer Nature 2021.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c358t-cb2580bab66ad1641db401a77d6eadb844060af204e47f24d822e11665b10c673</citedby><cites>FETCH-LOGICAL-c358t-cb2580bab66ad1641db401a77d6eadb844060af204e47f24d822e11665b10c673</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11015-021-01131-y$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11015-021-01131-y$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,777,781,27905,27906,41469,42538,51300</link.rule.ids></links><search><creatorcontrib>Matrosov, M. Yu</creatorcontrib><creatorcontrib>Sakharov, M. S.</creatorcontrib><creatorcontrib>Sychev, O. N.</creatorcontrib><creatorcontrib>Mishnev, P. A.</creatorcontrib><creatorcontrib>Lipin, V. K.</creatorcontrib><creatorcontrib>Shulga, E. V.</creatorcontrib><creatorcontrib>Martynov, P. G.</creatorcontrib><creatorcontrib>Kichkina, A. A.</creatorcontrib><creatorcontrib>Nedzvetskiy, M. Yu</creatorcontrib><title>Steel for Pipes of Strength Class K60 (X70) with Ferrite, Martensite and M/A-Component Microstructure for Sections of Main Pipelines Crossing Active Tectonic Disturbance Zones</title><title>Metallurgist (New York)</title><addtitle>Metallurgist</addtitle><description>Formation of the microstructure and properties of pipe steel grade K60 (X70) are studied using physical modeling of thermomechanical processing in a DUO 300 laboratory mill and industrial experiment. Steel microstructure is investigated and temperature ranges for formation of various phases and structural components (ferrite, bainite, martensite, M/A-component) with accelerated cooling are determined. It is found that formation of martensitic regions and M/A-component as secondary structural constituents in a ferrite matrix instead of cementite-containing secondary structures facilitates an increase in steel strength and improvement of the σ
y
/σ
f
ratio without a significant reduction in cold resistance. The chemical composition of steel grade K60 (X70) is developed on the basis of laboratory and industrial experiments, as well as a new industrial process for producing rolled product for pipes for the Sila Sibiri gas pipeline sections crossing active tectonic disturbance zones. Sheet and pipes have a low σ
y
/σ
f
ratio, high values of relative and uniform elongation, impact strength and proportion of ductile component in a fracture after DWTT testing at – 20°C.</description><subject>Bainite</subject><subject>Cement constituents</subject><subject>Cementite</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemical composition</subject><subject>Chemistry and Materials Science</subject><subject>Ductile fracture</subject><subject>Elongation</subject><subject>Ferrite</subject><subject>Gas pipelines</subject><subject>High strength low alloy steels</subject><subject>Impact strength</subject><subject>Intermetallic compounds</subject><subject>Iron compounds</subject><subject>Iron constituents</subject><subject>Laboratories</subject><subject>Low temperature resistance</subject><subject>Martensite</subject><subject>Materials Science</subject><subject>Metallic Materials</subject><subject>Microstructure</subject><subject>Natural gas</subject><subject>Pipes</subject><subject>Steel pipes</subject><subject>Tectonics</subject><subject>Tectonics (Geology)</subject><subject>Thermomechanical analysis</subject><subject>Thermomechanical treatment</subject><issn>0026-0894</issn><issn>1573-8892</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kVGL1DAUhYMoOK7-AZ8CvijY3Zu0TdvHoboq7qAwK4gvIU1vxyydZEwyyvwq_6J3p4JvkoeEy_nOueQw9lzApQBorpIQIOoCpChAiFIUpwdsJeqmLNq2kw_ZCkCqAtquesyepHQHQBh0K_Z7mxFnPoXIP7sDJh4mvs0R_S5_5_1sUuIfFfCXXxt4xX85Gl5jjC7ja74xMaNP9ObGj3xztS76sD8Ejz7zjbMxpByPNh8jnv23aLML_hyxMc6fA2fnKbQnbXJ-x9ck-Yn8lqTBO8vfuET8YLxF_o2c01P2aDJzwmd_7wv25frtbf--uPn07kO_vilsWbe5sIOsWxjMoJQZharEOFQgTNOMCs04tFUFCswkocKqmWQ1tlKiEErVgwCrmvKCvVh8DzH8OGLK-i4co6dILWuKaLq2KUl1uah2Zkbt_BRyNJbOiHtnad_J0XytlJJdKYUiQC7A_e-kiJM-RLc38aQF6Psm9dKkpib1uUl9IqhcoERiv8P4b5f_UH8AXvGh5w</recordid><startdate>20210501</startdate><enddate>20210501</enddate><creator>Matrosov, M. Yu</creator><creator>Sakharov, M. S.</creator><creator>Sychev, O. N.</creator><creator>Mishnev, P. A.</creator><creator>Lipin, V. K.</creator><creator>Shulga, E. V.</creator><creator>Martynov, P. G.</creator><creator>Kichkina, A. A.</creator><creator>Nedzvetskiy, M. Yu</creator><general>Springer US</general><general>Springer</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20210501</creationdate><title>Steel for Pipes of Strength Class K60 (X70) with Ferrite, Martensite and M/A-Component Microstructure for Sections of Main Pipelines Crossing Active Tectonic Disturbance Zones</title><author>Matrosov, M. Yu ; Sakharov, M. S. ; Sychev, O. N. ; Mishnev, P. A. ; Lipin, V. K. ; Shulga, E. V. ; Martynov, P. G. ; Kichkina, A. A. ; Nedzvetskiy, M. 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Yu</creatorcontrib><creatorcontrib>Sakharov, M. S.</creatorcontrib><creatorcontrib>Sychev, O. N.</creatorcontrib><creatorcontrib>Mishnev, P. A.</creatorcontrib><creatorcontrib>Lipin, V. K.</creatorcontrib><creatorcontrib>Shulga, E. V.</creatorcontrib><creatorcontrib>Martynov, P. G.</creatorcontrib><creatorcontrib>Kichkina, A. A.</creatorcontrib><creatorcontrib>Nedzvetskiy, M. Yu</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Metallurgist (New York)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Matrosov, M. Yu</au><au>Sakharov, M. S.</au><au>Sychev, O. N.</au><au>Mishnev, P. A.</au><au>Lipin, V. K.</au><au>Shulga, E. V.</au><au>Martynov, P. G.</au><au>Kichkina, A. A.</au><au>Nedzvetskiy, M. Yu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Steel for Pipes of Strength Class K60 (X70) with Ferrite, Martensite and M/A-Component Microstructure for Sections of Main Pipelines Crossing Active Tectonic Disturbance Zones</atitle><jtitle>Metallurgist (New York)</jtitle><stitle>Metallurgist</stitle><date>2021-05-01</date><risdate>2021</risdate><volume>65</volume><issue>1-2</issue><spage>34</spage><epage>49</epage><pages>34-49</pages><issn>0026-0894</issn><eissn>1573-8892</eissn><abstract>Formation of the microstructure and properties of pipe steel grade K60 (X70) are studied using physical modeling of thermomechanical processing in a DUO 300 laboratory mill and industrial experiment. Steel microstructure is investigated and temperature ranges for formation of various phases and structural components (ferrite, bainite, martensite, M/A-component) with accelerated cooling are determined. It is found that formation of martensitic regions and M/A-component as secondary structural constituents in a ferrite matrix instead of cementite-containing secondary structures facilitates an increase in steel strength and improvement of the σ
y
/σ
f
ratio without a significant reduction in cold resistance. The chemical composition of steel grade K60 (X70) is developed on the basis of laboratory and industrial experiments, as well as a new industrial process for producing rolled product for pipes for the Sila Sibiri gas pipeline sections crossing active tectonic disturbance zones. Sheet and pipes have a low σ
y
/σ
f
ratio, high values of relative and uniform elongation, impact strength and proportion of ductile component in a fracture after DWTT testing at – 20°C.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s11015-021-01131-y</doi><tpages>16</tpages></addata></record> |
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| issn | 0026-0894 1573-8892 |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Bainite Cement constituents Cementite Characterization and Evaluation of Materials Chemical composition Chemistry and Materials Science Ductile fracture Elongation Ferrite Gas pipelines High strength low alloy steels Impact strength Intermetallic compounds Iron compounds Iron constituents Laboratories Low temperature resistance Martensite Materials Science Metallic Materials Microstructure Natural gas Pipes Steel pipes Tectonics Tectonics (Geology) Thermomechanical analysis Thermomechanical treatment |
| title | Steel for Pipes of Strength Class K60 (X70) with Ferrite, Martensite and M/A-Component Microstructure for Sections of Main Pipelines Crossing Active Tectonic Disturbance Zones |
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