The end of the rack outlet hair dryer pressure different density cold coil steel is small, blowing is not clean;
When the belt is worn, the fan is not open, and the fan is closed when the tail is closed;
After the furnace is installed, the pre-purging time is insufficient, and the emulsion is carbonized to form spots when heated.
The surface presents a straight, thin, shallow groove. Parallel to the rolling direction, continuous or intermittent, different density, no regularity, smoother before smoothing, the color of the groove is grayish black, scratched after leveling, burr, metallic bright color.
Pickling, rolling, leveling, finishing parts of the unit in contact with the strip have sharp edges or hard objects, resulting in relative motion;
The various rollers (pinch roller, pinch roller, guide plate) of the finishing line are not operated to cause scratches;
When the different density cold coil steel is unwound or coiled, the strip speed changes or the relative movement between the layers.
Hot Tags: different density cold coil steel, China, suppliers, manufacturers, factory, buy, price, pricelist, for sale, in stock, free sample, SPCD Cold Rolled Steel Sheet, Cold Rolled Mild Steel Sheet, Cold Rolled Steel, Cold rolled Steel Sheet, Cold Rolled Steel Coils, Cold Rolled Steel Strips
