我厂新造C_(62A)全钢敞车用的大型型钢,多系铁路专用料。不仅钢厂轧制批量大,工厂储备量也很多。由于工厂没有足够的库房,长期露天存放,造成严重锈蚀。多年的生产实践证明,用这样的料造车,在除锈不 I plant a new C_ (62A) all the steel used for large-scale steel girder, and more lines of special materials. Not only large steel mill rolling large, factory reserves are also many. As the factory does not have enough warehouse, long-term storage in the open, causing serious corrosion. Years of production practice has proved that the use of such materials Che, rust is not