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槽钢是截面为凹槽形的长条钢材，属于建造用和机械用碳素结构钢，是复杂断面的型钢钢材，其断面形状为凹槽形。 槽钢主要用于建筑结构、车辆制造和其它工业结构，还经常和工字钢配合使用。 槽钢由于其特殊的金相组织和表面钝化膜,使得它在一般情况下较难与介质发生化学反应而被腐蚀,但并不是在任何条件下都不能被腐蚀。 槽钢在使用过程中会遇到各种问题，腐蚀就是比较重要的问题之一。因此，在槽钢加工作业过程中应采取一切有效措施， 尽量避免锈蚀条件和诱因的产生。一种方法就是使用喷铝涂层。喷铝涂层加防腐涂料封闭，可大大延长涂层的使用寿命， 从理论和实际应用的效果来看，喷锌或喷铝的涂层是防腐涂料的理想底层；喷铝涂层与钢铁基体结合力牢固、涂层寿命长， 长期经济效益好；喷铝涂层工艺灵活，适用于重要的大型及难维修的钢铁结构的长效防护，可现场施工。 Slot steel is a groove shaped long steel, belongs to the construction and mechanical carbon structure steel, is a complex section of steel, its section shape is groove shape.Trough steel is mainly used for building structures, vehicle manufacturing and other industrial structures, and is often used with I-word steel.Due to its special metallographic structure and surface passivation film, the trough steel makes it more difficult to react with the medium in general, but it can not be corroded under any conditions. Channel steel will encounter various problems in the use of steel, corrosion is one of the more important problems.Therefore, all effective measures shall be taken in the process of steel steel to avoid rust conditions and inducement. One way is to use an aluminum spray coating.Aluminum spray coating and anticorrosion coating closed, can greatly extend the service life of the coating, from the theoretical and practical application effect, zinc spraying or aluminum spraying coating is the ideal bottom of anticorrosive coating; aluminum spray coating and steel matrix strong binding force, long coating life, long-term economic benefits; aluminum spray coating process is flexible, suitable for important large and difficult to repair steel structure long-term protection, on-site construction.
热镀锌冷弯槽钢
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Q235B镀锌槽钢
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