Effect of Microadditives on Center Segregation and Mechanical Properties of High-Strength Low-Alloy Steels

Metallurgist - One of the main tasks of steelmaking is to obtain the necessary thermodynamic conditions that ensure fine and homogeneous solidified microstructure. The relatively economical...     

Study of Diffusion Processes Occurring in a Two-Layer Steel Transition Zone

Metallurgist - The article is devoted to studying diffusion processes occurring at the interface between layers of bimetal steel on heating. The effect of various factors on diffusion processes in...     

The influence of mineral waters of the Luchinetsk deposit on the organism oxidation metabolism

The article has investigated the influence of mineral waters of the Luchinetsk deposit from wells 1-L and 729 on prooxidant-antioxidant equilibrium in peripheral blood of mice radiated at a dose of 5.0 Gy. It has been established that given mineral waters have a pronounced biological effect; their course application is an effective means of correcting oxidizing metabolism.     

Study of the Effect of Microstructure Characteristics on Corrosion Resistance of Cold-Rolled Micro-Alloyed Sheet Steels (Hsla) of Strength Classes 340–420 for Automobile Building

Metallurgist - The effect of microstructure characteristics and also production regimes on corrosion resistance of cold rolled high-strength low-alloy steels (HSLA) grades 340 and 420 is studied....     

A new generation of economical automotive steel

To meet the demands of the auto industry, facilitate import substitution, and improve the global competitiveness of Russian products, there is a pressing need for new high-quality economical steels with excellent stamping properties, strength, and corrosion resistance. Between 2001 and 2011, intensive research permitted the development of high-technology production processes for a new generation of automotive steels; these technologies have no counterparts around the world. A fundamentally new approach was adopted: the required structure and properties of the metal are obtained by regulating the deposition of nonmetallic excess phases, the state of the solid solution, the grain boundaries, and the types of impurities at all stages of production. On the basis of extensive research, including more than 1000 trial melts, production technologies for more than 30 grades of automotive steel that match—and in many respects outperform— their foreign counterparts have been introduced at OAO MMK and OAO Severstal’.     

Effect of Alloying with Aluminum and Deformation-Heat Treatment on Rolled Product Crystal Structure

Metallurgist - Ferritic steels with high aluminum content are studied experimentally. A feature of the hot-rolled condition of steels alloyed with more than 5% aluminum is formation of fine...     

Effect of Hot Rolling Parameters on Excess Phase Precipitation in Two-Phase Ferritic-Martensitic Steels

Metallurgist - Results are given for studying the effect of hot rolling parameters on morphological features of the structure and precipitation in hot rolled products destined for further cold...