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

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

doi:10.4028/www.scientific.net/MSF.539-543.4744

Paper Titles

Refinement of Cementite in High Strength Steel Plates by Rapid Heating and Tempering
p.4720

Prospects and State of the Art of TMCP Steel Plates for Structural and Linepipe Applications
p.4726

Transformation and Precipitation Behavior in the New Conceptual TMCP Process Utilizing Heat Treatment On-Line Process
p.4732

Inner Crack Heat-Healing in Low Carbon Steel with Lanthanum
p.4738

Steels with Ferrite-Bainite Microstructure with Improved Weldability and Cold Resistance for Main Pipelines
p.4744

Microstructure and Properties of Pipeline Steel with Acicular Ferrite
p.4750

Development of Modern Heavy Plate Steels for Pipelines
p.4756

Grain Scale Assessment of Variant Selection in a Thermomechanically Processed TRIP Steel
p.4762

Diffusion-Controlled Phase Transformation under High Magnetic Field in Medium and High Carbon Steels
p.4768

HomeMaterials Science ForumMaterials Science Forum Vols. 539-543Steels with Ferrite-Bainite Microstructure with...

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

Abstract:

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 TMCPtechnology, 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.

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Periodical:

Materials Science Forum (Volumes 539-543)

Pages:

4744-4749

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.539-543.4744

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Online since:

March 2007

Authors:

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

Keywords:

CCT Deformation Diagram, Dislocation Density, Ferrite-Bainite Microstructure, Fine Grain Structure, Microalloyed, Niobium, Pipeline Steel, Weldability

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References

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