Steels with ferrite-bainite microstructure with improved weldability and cold resistance for main pipelines

被引：0
|
作者：
Nastich, S. Y. [1 ]
Morozov, Y. D. [1 ]
Efron, L. I. [1 ]
Matrosov, M. Y. [1 ]
机构：
[1] IP Bardin Inst Ferrous Met, 9-23 2 d Baumanskaya Str, Moscow 105005, Russia
来源：
THERMEC 2006, PTS 1-5 | 2007年 / 539-543卷
关键词：
pipeline steels; ferrite-bainite microstructure; CCT deformation diagram; fine grained structure; microalloying; weldability; dislocation density; niobium;
D O I：
10.4028/www.scientific.net/MSF.539-543.4744
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The required complex of properties of modem 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.
引用
收藏
页码：4744 / +
页数：2
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