The rust stage of EN10025-5 S355J2W weather resistant steel plates

The rust stage of EN10025-5 S355J2W weather resistant steel plates is mainly devided into 3 stages, which are:

The first rust stage of EN10025-5 S355J2W weather resistant steel plates usually needs 1-3 months in the field. The S355J2W weather resistant steel begins to grow small rust point, the rust point of S355J2W weather resistant steel plate is relatively loose, some of the rust treatment is poor and even the rust skin is presented.

The second stage of EN10025-5 S355J2W weather resistant steel plates usually needs 4-8 months in the field. The rust water of the S355J2W weather resistant steel plate is less and the rust point is smaller and thicker than that of general weather resistant steel. 

The third stage of EN10025-5 S355J2W weather resistant steel plates usually needs more than 8 months in the field. The S355J2W weather resistant steel has clear and dense rust core layer, close adhesion between rust points into protective layer, hand wipe simply do not rust. The rusted S355J2W steel plates tend to be reddish /pown in color.

BBN steel is reputable EN10025-5 S355J2W weather resistant steel plates supplier and exporter in China. BBN steel always welcome your visit and cooperation.