| 建筑用耐火钢的发展 |
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| 作者单位： | 北京冶金部钢铁研究总院!北京，100081，北京冶金部钢铁研究总院!北京，100081 |
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| 摘 要： | 钢结构建筑需喷涂防火材料进行保护，这将成倍增加建筑成本．减少防火涂层是现代建筑发展趋势．耐火钢提高了钢的高温强度．从而减少了防火涂层。本文综述了建筑用耐火钢技术要求、合金元素和生产工艺对高温强度的影响，并介绍了耐火温度为600℃耐火锅的综合性能和实际应用．
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| 关 键 词： | 耐火钢 钢结构 高温强度 火灾 |
DEVELOPMENT OF FIRE-RESISTANT STEEL FOR BUILDINGS |
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| Authors: | Yang Caifu Zhang Yongquan |
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| Abstract: | In steel-frame buildings,the steel members should be coated with fire-resistant materials to givethem protection in case of a fire.This requirement can double the construction costs.Therefore,there has been an increasing demand for restricting fire-resistand coating.Newly developed fire-resistant steels improve their ele-vated-temperature strength,thus reducing fire-resistant coating.This paper describes the technical requirements of steels for buildings and the effects of alloying elements and manufacturing process on elevated-temperature strength,and presents the properties and pratical applications of a fire-resistant steel which provides high strength at 600℃ |
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| Keywords: | fire-resistant steel steel structures elevated-temperature strength fire |
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