C45 seamless steel tube production process can be divided into cold drawing and hot rolling and cold rolling of C45 seamless steel tube production process gener

St35.8 seamless steel pipe has the widely use in the projects, more and more people are likely to choose St35.8 seamless steel pipe. Katalor is a professional s

E355 seamless steel pipe is under the standard of EN10297, and it is our mainly product. Katalor is a professional steel supplier, we only produce the high qual

In the process of 1045 seamless steel pipe welding, after exterior inspection and X-ray nondestructive inspection, surface cracks appear on the 1045 seamless st