Many people in the market for this material, QN1803, do not know it yet. But there should be many people who have heard of stainless steel 304D. Yes, yes, Qingshan Company has introduced a new type of high-strength and high-nitrogen stainless steel material and passed the group standard. At present, this product is being promoted in the market. This material can be used to produce welded pipes, that is, welded pipes are manufactured with a pipe welding machine. As long as it is not in a nitrate environment, stainless steel welded pipes of this material have the characteristics of good corrosion resistance and low cost.

Because this QN1803 material has good corrosion resistance and high strength, the cost has a great price advantage over 304. Therefore, it is widely used, and can be used to produce pipes. It can be used to manufacture factory walls and roofs with cold bending forming machines. It can also be used in many fields, box shells, etc.