2017
DOI: 10.14529/met170205
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Alloy influence on the properties of tempered steels for casing pipes

Abstract: 41 ВведениеОбсадные и насосно-компрессорные тру-бы, используемые для обустройства нефтега-зовых месторождений Арктики и Северных регионов страны, должны иметь как высокий уровень прочности, так и повышенную хладо-стойкость. Для их изготовления в основном используют среднеуглеродистые хромомо-либденовые стали. Для создания высокопроч-ных сталей с повышенной хладостойкостью необходимо проведение обстоятельных ис-следований связи между их легированием и механическими свойствами. В настоящей ра-боте рассмотрено ка… Show more

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“…Complex studies were carried out to study the structure and properties of steels micro-alloyed with boron and niobium. A large number of works [1][2][3][4][5][6] devoted to the study of boron-containing steels are known. Boron micro-alloying can significantly increase the stability of the supercooled austenite, especially in the pearlite region.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…Complex studies were carried out to study the structure and properties of steels micro-alloyed with boron and niobium. A large number of works [1][2][3][4][5][6] devoted to the study of boron-containing steels are known. Boron micro-alloying can significantly increase the stability of the supercooled austenite, especially in the pearlite region.…”
Section: Introductionmentioning
confidence: 99%
“…In addition, steels with an increased molybdenum content have been investigated to improve hardenability and improve strength properties after quenching and high tempering. It is well known that molybdenum effectively increases the stability of supercooled austenite, shifts the bainite transformation interval to lower temperatures, expands the relative stability range of austenite, that is, effectively increases the hardenability of steel [1,2]. Molybdenum also intensively influences the processes during the tempering of steels, significantly increasing its tempering stability [4].…”
Section: Introductionmentioning
confidence: 99%