News
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Cause Analysis of Continuous Pores and Iron Beans in Spiral Submerged Arc Welded Steel Pipes
If there is no influence of factors such as the extrusion thickness of the forming vertical roll on the shape of the edge of the plate, the ideal forming seam state 3, but due to the extrusion of the forming roll or the improper pressure of the crimping roll, the disc shear blade is not perpendic...Read more -
Galvanized steel pipe painting production process
A continuous galvanized steel pipe painting production process and its equipment, the process includes the following steps: passivation step, cleaning step; painting step; curing step, before the painting step is provided with a drying preheating step, and drying The intervening heat temperature ...Read more -
Application of ERW straight seam welded steel pipe and straight seam double-sided submerged arc welded steel pipe in urban gas pipeline
City gas pipelines include main gas transmission pipelines, distribution pipelines, user introduction pipes, and indoor gas pipelines, each of which has a different purpose. According to the different gas transmission pressure, it can be divided into low pressure (not higher than 0.01MPa), medium...Read more -
30 years anniversary activity in Bestar Steel
30 years anniversary activity in Bestar Steel. Here is the first part in Beijing. to be continued. Here is the part of our member in the Beijing station. For the next part, we wait and see more activities.Read more -
Extended diameter of straight seam welded steel pipe
The current forming methods of large-diameter longitudinal submerged arc welded steel pipes include UOE forming method, row roll forming method (CFE), CE forming, and so on. For most of the forming methods, the last process is to carry out a full-length diameter expansion on the welded tube blank...Read more -
Stainless steel pipe processing steps
The variety of surface processing of stainless steel broadens its application field – different surface processing makes the surface of stainless steel different, making it unique in application. Surface finishing of stainless steel pipe is important for many reasons in architectural applic...Read more