High-Strength Linepipe Steels and Physical Simulation of Production Processes

Siciliano, Fulvio

doi:10.1007/978-981-10-7892-7_8

Cited by 2 publications

(1 citation statement)

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“…Techniques such as physical simulation have been broadly employed to optimize parameters such as casting, reheating, rolling, and accelerated cooling conditions. Physical simulation has proven to be a powerful tool in the design and manufacture of new linepipe steels by reducing production costs and improving performance [66].…”

Section: Figurementioning

confidence: 99%

Microalloyed Steels through History until 2018: Review of Chemical Composition, Processing and Hydrogen Service

Villalobos

Del-Pozo

Campillo

et al. 2018

Metals

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Microalloyed steels have evolved in terms of their chemical composition, processing, and metallurgical characteristics since the beginning of the 20th century in the function of fabrication costs and mechanical properties required to obtain high-performance materials needed to accommodate for the growing demands of gas and hydrocarbons transport. As a result of this, microalloyed steels present a good combination of high strength and ductility obtained through the addition of microalloying elements, thermomechanical processing, and controlled cooling, processes capable of producing complex microstructures that improve the mechanical properties of steels. These controlled microstructures can be severely affected and result in catastrophic failures, due to the atomic hydrogen diffusion that occurs during the corrosion process of pipeline steel. Recently, a martensite-bainite microstructure with acicular ferrite has been chosen as a viable candidate to be used in environments with the presence of hydrogen. The aim of this review is to summarize the main changes of chemical composition, processing techniques, and the evolution of the mechanical properties throughout recent history on the use of microalloying in high strength low alloy steels, as well as the effects of hydrogen in newly created pipelines, examining the causes behind the mechanisms of hydrogen embrittlement in these steels.

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Section: Figurementioning

confidence: 99%