Improvement of S355JR hot angle steel quality

Katalor is a famous steel supplier and exporter in China, we have large stock in S355JR hot angle steel. And our S355JR hot angle steel is the best with the developments. The following is Katalor improve the S355JR hot angle steel.

1. Three S355JR hot angle steel were sampled and checked during trial rolling, and 1 or 2 S355JR hot angle steel pieces were sampled and checked during trial rolling. The rolling mill quality adjustment and adjustment work should take the S355JR hot angle steel head, the middle, the tail sample inspection separately, after the dimension is qualified and has no defect, then the continuous rolling.

2. In normal S355JR hot angle steel, according to the different products should be checked about 1h, abnormal should be more sampling, every adjustment must sampling inspection. If the sampling S355JR hot angle steel length is 50 ~ 100 mm, if there are intermittent folds, ears, tumors, pits and section sizes exceeding the allowable deviations on the S355JR hot angle steel surface, the specimens with a length of 1.8 ~ 2.0 m should be cut for examination.

3. When it is found that the specimen does not meet the S355JR hot angle steel requirements, the rolling should be slow, one adjustment should be made once, and if the S355JR hot angle steel defects can not be eliminated by three continuous ones, the adjustment should be stopped. Mill quality adjustment and inspection staff to contact regularly, trench quality information, to prevent the emergence of large quantities of waste and pending S355JR hot angle steel.

Please contact us if you need in S355JR hot angle steel. We can give you the more information about S355JR hot angle steel. Of course, we can supply S355JR hot angle steel with high quality and more sizes to meet your requires.