Q235's steel plate and channel steel were rusted in the rain. The corrosion is not too serious, but it looks obvious. Will this product be rejected? Is there a standard in this respect?Please answer professionals, thank you.
Steel plate surface defects are allowed to be cleaned and cleaned, but the minimum thickness of the steel plate shall be ensured. Grinding and cleaning should be smooth, without edges and corners. When welding is required, it shall be carried out according to the provisions of GB/T 14977.
It shouldn't be a problem. See the GBT 19879-2005_ steel plate for the building structure6.5 surface qualityNo cracks, bubbles, scars, folds, inclusions, and iron oxide sheets are allowed on the surface of the 6.5.1 steel sheet. Steel plate shall not be layeredThe surface of 6.5.2 steel plate is allowed not interfere with the inspection of surface defects of thin oxide scale, rust, pressure by iron oxide shedding caused no significant surface roughness, scratch, indentation and other local defects, but its depth not greater than half of the tolerance of thickness, and should ensure that the minimum thickness of steel plate.
Normally, they are not rejected unless the customer has made it clear that they want to prevent the rain.
