首页|Steels with Ferrite-Bainite Microstructure with Improved Weldability and Cold Resistance for Main Pipelines

Steels with Ferrite-Bainite Microstructure with Improved Weldability and Cold Resistance for Main Pipelines

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The required complex of properties of modern pipe steels, including improved weldability and cold resistance, can be achieved due to formation of fine-grained ferrite-bainite microstructure of steel。 Effect of various designs of additional alloying of steel on phase transformations with use of deformation CCT diagrams is investigated。 Key parameters of TMCP-technology, necessary for obtaining the best complex of properties of plate and strip products are determined。 Results of industrial trials in production of steel with ferrite-bainite microstructure of Russian steel manufacturers are presented。

pipeline steelsferrite-bainite microstructureCCT deformation diagramfine grained structuremicroalloyingweldabilitydislocation densityniobium

S.Y. Nastich、Y.D. Morozov、L.I. Efron、M.Y. Matrosov

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I.P. Bardin Research Institute for ferrous metallurgy, 9/23, 2-d Baumanskaya str., Moscow, 105005, Russia

THERMEC 2006 pt.5; Materials Scinece Forum; vols.539-543

Vancouver(CA)

International Conference on Proceeding & Manufacturing of Advanced Materials; 20060704-08; Vancouver(CA)

P.4744-4749

2006