Normalization, Rolling, Aging, Quenching, and Tempering Study on Micro-Alloyed Steel

Q3 Materials Science

Macromolecular Symposia Pub Date : 2025-04-14 DOI:10.1002/masy.70014

Nidhi Bansal Garg, Mohit Bansal, Pradeepta Kumar Sarangi, Har Mohan Singh, M. Z. A. Yahya, Pramod K Singh, S.N.F. Yusuf, Ashok Kumar Sahoo

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Abstract

A noticeable increase in the consumption of high-strength low-alloy (HSLA) steels within the realm of structural applications can be seen in last few decades. Various industrial applications, notably in pressure vessels and line-pipe systems across multiple sectors, including the oil industry are using HSLA. In oil industry the use or potential of API X-65 for line-pipe impacted in a lot in industry. Normalization, rolling, aging, quenching and tempering (QT) are parts of main process during manufacturing of HSLA steels. Limited quantity of components (alloying) are used to strengthen the low carbon steels. Also, precipitation strengthening is increased with the presence of niobium (Nb), vanadium (V), and titanium (Ti). Major impact on the basic properties like hardness, strengthening of HSLA steels can be seen during the evaluation of HSLA steel can be seen after the thermo mechanical treatments (TMT). In this work, tensile specimens are prepared after applying rolling, aging and cold work and better mechanical properties (MP) has been achieved which are more beneficial for the use in industry.

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微合金钢的正火、轧制、时效、淬火和回火研究

过去几十年来，高强度低合金钢（HSLA）在结构应用领域的消费量明显增加。各种工业应用，特别是包括石油工业在内的多个行业的压力容器和管线系统，都在使用 HSLA。在石油工业中，API X-65 在管线管方面的应用或潜力对工业产生了很大影响。正火、轧制、时效、淬火和回火（QT）是制造 HSLA 钢的主要工艺。少量成分（合金化）用于强化低碳钢。此外，铌（Nb）、钒（V）和钛（Ti）的存在可提高沉淀强化效果。在对 HSLA 钢进行热机械加工（TMT）评估时，可以看出其对硬度、强化等基本性能的主要影响。在这项工作中，在经过轧制、时效和冷加工后制备了拉伸试样，获得了更好的机械性能（MP），更有利于工业应用。

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来源期刊

Macromolecular Symposia Materials Science-Polymers and Plastics

CiteScore

1.50

自引率

0.00%

发文量

226

期刊介绍： Macromolecular Symposia presents state-of-the-art research articles in the field of macromolecular chemistry and physics. All submitted contributions are peer-reviewed to ensure a high quality of published manuscripts. Accepted articles will be typeset and published as a hardcover edition together with online publication at Wiley InterScience, thereby guaranteeing an immediate international dissemination.