最近几年，混凝土配筋用棒材的生产成本有所提高。造成成本增加的因素很多，其中包括能源成本和人工成本，但最主要的因素则是合金和微合金，比如钒的成本占有较大比重。在钢中加入合金元素钒，通常用于满足钢材力学性能要求。世界上越来越多的目前仍采用微合金化方法提高混凝土配筋力学性能的钢材生产商，正在寻求一种可以减少、甚至不用微合金元素的替代方法，以降低生产成本。分析了美国和国际最新标准提出的要求，并详细讨论了用于降低生产成本的新工艺、新技术的优点和限制条件。
During recent years, the cost of production for concrete reinforcement steel bars has increased due to many factors. These include energy cost and labour cost, but a significant factor is the cost of alloys and microalloys such as Vanadium, which have traditionally been required to meet the mechanical properties. An increasing number of customers worldwide, who are currently using the microalloying method for increasing the mechanical properties of the concrete reinforcement, are demanding alternative methods to reduce or eliminate the cost for microalloys. This paper will analyse the requirements of the latest US and international standards, and discuss in detail the process advantages and limitations of techniques that can be used to reduce the production cost.
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