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  1. No Access

    Article

    Effect of Carbon and Niobium Content on the Kinetics of Decomposition of Supercooled Austenite in Rolled Metal and Near-Weld Zone of Pipe Steels

    The effect of the content of carbon and niobium on the kinetics of the phase transformations of austenite and on the mechanical properties of the matrix metal and of the weld-affected zone is studied. The diff...

    I. Yu. Utkin, K. Yu. Mentyukov, I. I. Frantov… in Metal Science and Heat Treatment (2018)

  2. No Access

    Article

    Assimilation of New Steel Alloying Composition for Manufacturing Line Pipes of Strength Classes K52–K55

    The contemporary level of pipe rolling technology makes it possible to manufacture line pipes of strength class K42–K65 in corrosion- and cold-resistant versions. Pipes of this type are intended for building o...

    I. Yu. Utkin, D. P. Uskov, I. I. Frantov, A. M. Longinov, A. V. Mozgovoi… in Metallurgist (2016)

  3. No Access

    Article

    Effect of Vanadium on the Mechanical and Service Properties of Weldable Reinforcement Steels in Strength Classes A500C and A600C

    New vanadium-microalloyed reinforcement steels with improved weldability have been developed. The criteria that are used to evaluate a steel’s weldability based on its contents of carbon, manganese, silicon, a...

    D. V. Domov, I. I. Frantov, A. N. Seregin, A. N. Bortsov, A. A. Fofanov… in Metallurgist (2016)

  4. No Access

    Article

    Effect of Chromium and Nickel on Heat-Affected Zone Properties with Welding of X70 Strength Category Niobium-Containing Steels

    Properties are evaluated for heat-affected zone (HAZ) metal with welding of X70 strength group steels microalloyed with niobium and additions of chromium and nickel. The evaluation criteria used were determina...

    I. Yu. Utkin, I. I. Frantov, D. V. Domov in Metallurgist (2015)

  5. No Access

    Article

    Reinforcing Steel Weldability Evaluation Criteria

    Reinforcing steel weldability criteria are presented for ferroconcrete structures. Features of resistance spot welding and resistance butt welding are reflected. The effect of different alloy steel composition...

    D. V. Domov, I. I. Frantov, A. N. Bortsov, O. O. Tsyba in Metallurgist (2015)

  6. No Access

    Article

    Relationship Between Thermal Processes in Welds and Their Morphology and Promising Types of Welds for Thick-Walled Electric-Welded Pipes

    The increase being seen in the thickness of the wall of large-diameter pipes is requiring an increase in heat input to form the longitudinal weld on these pipes. Increasing the heat input in turn slows the coo...

    A. A. Velichko, A. N. Bortsov, I. P. Shabalov, I. I. Frantov, I. Yu. Utkin in Metallurgist (2014)

  7. No Access

    Article

    Improvement of weldability and evaluation criteria for high-strength pipe steel heat-affected zone reliability

    Criteria are formulated for evaluating weldability on the basis of methods simulating welding thermal cycles and analysis of austenite polymorphic transformation kinetics in the thermally affected zone. Result...

    I. L. Permyakov, I. I. Frantov, A. N. Bortsov, K. Yu. Mentyukov in Metallurgist (2012)

  8. No Access

    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...

    P. P. Stepanov, V. N. Zikeev, L. I. Efron, I. I. Frantov, Yu. D. Morozov in Metallurgist (2011)

  9. No Access

    Article

    Development of corrosion-resistant steels based on naturally alloyed pig iron

    Tests were performed of several variants for making steels from naturally alloyed pig iron. No decrease in the strength characteristics of the steels was seen with lower contents of manganese (to 1.0%) and car...

    I. I. Frantov, É. T. Shapovalov, Yu. D. Morozov, V. I. Stolyarov… in Metallurgist (2000)

  10. No Access

    Article

    Optimization of the composition of weldable low-alloy steels

    1. When steels intended for welded structures are alloyed with carbon, silicon, and manganese, it is indispensab...

    I. I. Frantov, V. I. Stolyarov, A. V. Nazarov… in Metal Science and Heat Treatment (1987)

  11. No Access

    Article

    Influence of heat treatment on the effectiveness of microalloying of pipe steels

    1. In steel with boron the stability of austenite during quenching increases when the grains are fine. A reducti...

    I. I. Frantov, S. A. Golovanenko, B. A. Moiseev… in Metal Science and Heat Treatment (1980)

  12. No Access

    Article

    Structure and properties of steels 16G2 and 16GFR after quenching and brief tempering

    1. The structure of quenched steel determines the character and kinetics of the carbide reaction during subseque...

    I. I. Frantov, N. I. Karchevskaya, S. A. Golovanenko… in Metal Science and Heat Treatment (1979)

  13. No Access

    Article

    Transformation of austenite during continuous cooling of steel 18KhNMFA

    Yu. S. Golovanenko, V. N. Zinkeev, I. I. Frantov in Metal Science and Heat Treatment (1976)

  14. No Access

    Article

    Effect of alloying on transformation of supercooled austenite in low-alloy steel of the 14G2S type

    A. P. Gulyaev, V. A. Marchenko, E. A. Demin… in Metal Science and Heat Treatment (1975)