Company News
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Brief introduction of steel piling pipes
Structural characteristics of steel jacket steel insulation pipe 1. The rolling bracket fixed on the inner working steel pipe is used to rub against the inner wall of the outer casing, and the thermal insulation material moves along with the working steel pipe, so that there will be no mechanical...Read more -
The production process of spiral steel pipe
The spiral steel pipe is made by rolling low-carbon structural steel or low-alloy structural steel strip into pipe , according to a certain angle of spiral line (called forming angle), and then welding the pipe seams. It can be used for produce large diameter steel pipe with narrow strip steel. T...Read more -
The main test equipment and application of spiral steel pipe
Industrial TV internal inspection equipment: inspect the appearance quality of internal welding seam. Magnetic particle flaw detector: inspect the near surface defects of large-diameter steel pipe. Ultrasonic automatic continuous flaw detector: inspect the transverse and longitudinal defects of t...Read more -
Application and development direction of spiral steel pipe
The spiral steel pipe is mainly used in tap water project, petrochemical industry, chemical industry, electric power industry, agricultural irrigation and urban construction. It is one of the 20 key products developed in China. Spiral steel pipe can be used in different industries. It is produced...Read more -
Causes of Air holes in spiral steel pipes
Spiral submerged arc welded steel pipe sometimes encounters some situations in the production process, such as air holes. When there are air holes in the welding seam, it will affect the quality of the pipeline, make the pipeline leak and cause heavy losses. When the steel pipe is used, it will a...Read more -
Requirements for the package of large diameter spiral steel pipe
The transportation of large diameter spiral steel pipe is a difficult problem in delivery. In order to prevent the damage to the steel pipe during transportation, it is necessary to pack the steel pipe. 1. If the buyer has special requirements for the packing materials and packing methods of spir...Read more