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Article
Novel Economically Alloyed Steel for Liquefied Natural Gas Equipment and its Heat Treatment Regime
Heat treatment is developed for commercial rolled thick sheets of cryogenic steel for liquefied natural gas equipment. It is shown that treatment guarantees the required mechanical and tribological properties....
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Article
Microalloying of Low-Carbon Low-Alloy Steels with Titanium
The effect of up to 0.18% microadditions of titanium on the structure and mechanical properties of sheet low-carbon (0.07 – 0.09% C) steels with different alloying systems (C – Mn – Ti, C – Mn – V – Ti,C – Mn ...
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Article
Effect of High Strength Structural Steel Structural State on Fracture Resistance
Fracture resistance of low- and medium-carbon steels depending on type of microstructure (ferritepearlite, bainite, and martensite) and its volume fraction is studied. On the basis of studying the temperature ...
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Article
Prospects for Producing Special Cold-Resistant Economically Alloyed Nickel Ferritic Steel for Liquefied Natural Gas Storage and Transportation Vessels
Ferritic steels are developed economically alloyed with nickel (up to 7%) with increased strength and low-temperature toughness for the manufacture of liquefied natural gas (LNG) storage tanks. Results are pro...
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Article
Changes in the fracture strength parameters of ferritic–bainitic and bainitic pipe steels during operation
The fracture strength and the sensitivity to delayed fracture of the pipes in oil-trunk pipelines that are made of ferritic–bainitic and bainitic steels are studied. The results of modeling of the delayed brit...
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Article
Development of Steel Chemical Composition and Heat Treatment for Electrowelded Casings with Increased Strength and Cold Resistance
Steel microalloying combinations are studied, and heat treatment regimes are determined for preparing the required level of mechanical properties providing high quality characteristics for steels used in the m...
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Article
Development of Alloying and Controlled Rolling Parameters Providing the Required Level of Mechanical Properties and Cold Resistance for Pipe Steel of Strength Class K60 in a Ural Steel 2800 Mill
On the basis of studying the effect of chemical composition, controlled rolling temperature and deformation parameters, and accelerated cooling parameters, technology is developed for manufacturing pipe steel ...
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Article
Improvement in steel weldability for large diameter thick-walled gas pipelines by optimizing chemical composition
The problem is considered of improving impact strength and brittle failure resistance of heat-affected zone (HAZ) metal during welding of thick-walled (30–40 mm) gas pipelines. It is shown that the best HAZ pr...
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Article
Development of coiled steels for electric-welded (HFC) oil and gas line pipe, casing, and pump-compressor tubing with high strength and good resistance to cold and corrosion
New steels 06GB (strength classes K48–K52) and 07GFB (strength class K55) have been developed for oil and gas line pipe welded with high-frequency current (HFC), while steels 18GFB (strength group Kc, σy ≥ 491 MP...
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Article
Scientific contribution of A. P. Gulyaev to the physical metallurgy of structural steels
The works of A. P. Gulyaev in the field of research of structural steels are analyzed. Professor V. N. Zikeev is a disciple of Gulyaev, a Doctor of Engineering, a leading specialist in structural steels, a lea...
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Article
Develo** and testing structural steels with superior resistance to cold and to cracking in hydrogen-sulfide-bearing media for use in the production of electric-welded (HFC) oil-field tubing
New grades of steel for oil- and gas-line pipe of strength class K55 (steel 07GFB) and for pump-compressor tubing of strength class Ks (steel 18GFB) have been developed and undergone factory testing. The Chere...
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Article
Efficiently alloyed ultra-cold-resistant steel for containers used to store and transport liquified natural gas
The storage and transport of natural gas in the liquified state (LNG) has become an important issue in connection with the development of new natural-gas fields on the shores of the Barentz Sea in the Artic re...
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Article
A Study of Homogeneity of Structure and Properties Over the Width of Sheets of Pipe Continuously Cast Steel 07G2FBYu
The effect of defects in the structure of a slab on the set of properties of sheet steel 07G2FBYu used for large-diameter electrically welded pipes for oil and gas pipelines is investigated. The structure and ...
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Article
Properties of Pipe Steels Naturally Alloyed with Chromium and Nickel
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Article
Low-alloy steel with elevated strength for apparatuses for complex preparation and processing of natural gas containing hydrogen sulfide
Apparatuses for complex preparation and processing of hydrogen sulfide-containing natural gas are commonly produced from carbon steels of the 20Yuch type. However, the strength level of these steels is low (σ0.2≥...
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Article
Structural steels resistant to hydrogen sulfide
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Article
Effect of tempering at subcritical temperatures on the fracture strength of medium carbon structural steel
A special pretransformation state in steels is of considerable interest and importance for practical application.Difficulties arising from the necessity for precise temperature regulation have already been ove...
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Article
Structural parameters of structural steel determining its resistance to hydrosulfuric cracking
To attain high resistance to hydrosulfuric cracking of steels for drive pipes, it is necessary after heat treatment to attain a structure with the following parameters: size of the coagulated carbide (M3C) partic...
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Article
Properties of structural steels used for shafts of turbodrills
The experimental steel 35Kh3GSFB is better than the series produced steel as regards resistance to fatigue fracture, wear resistance, and bulk hardenability; it can therefore be recommended for industrial prod...
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Article
High-strength hydrogen sulfide-resistant steel for equipment for extraction of natural gas and oil
