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为了减缓桥梁及其它大气中使用的各类钢结构腐蚀问题,从金属材料上进行变革是一重要措施。国外发达国家已研究并广泛应用这类耐大气腐蚀钢材,且取得重大成就。我国起步较晚,“七五”期间国家科委下达了开发研究焊接结构耐大气腐蚀钢的攻关课题,NH35q钢就是攻关课题中的一个钢种。武钢钢研所经过实验室的大量试验研究后,进行了工业性试制,生产出12～50mm各种厚度钢板,其中12和20mm两种规格钢板已由宝鸡桥梁厂成功地焊接了
In order to mitigate the corrosion problems of all kinds of steel structures used in bridges and other atmospheres, it is an important measure to make changes from metal materials. Developed countries in foreign countries have studied and widely used such atmospheric corrosion-resistant steel, and made significant achievements. China started late, “Seventh Five-Year” period issued by the State Science and Technology Commission to study the development of welded structures resistant to atmospheric corrosion of steel research topics, NH35q steel is the subject of a steel. After a large number of laboratory experiments in Wuhan Iron and Steel Research Institute, the industrial trial production, to produce a variety of thickness 12 ~ 50mm steel, of which 12 and 20mm two specifications of the steel plate has been successfully welded by the Baoji Bridge