An Introduction to Pipes
- Jul 19, 2022
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Tubes are hollow and have circular cross-sections, which are used for conveying media such as fluids, particles, powders and others. The term Pipe is different from tube, because...
Defects of Seamless Steel Tubes and Their Prevention (Part One)
- Jul 19, 2022
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1. Defects and prevention of tube blanks The tube blanks used in the production of seamless steel tubes can be continuous casting round tube blanks, rolling (forging) round tube blanks, centrifugal...
Defects of Seamless Steel Tubes and Their Prevention (Part Two)
- Jul 19, 2022
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Pits and grooves of tube blanks The reasons for the pits and grooves in the tube blank: on the one hand, they may be caused by the crystallization process of the casting blank, which is related...
Defects Caused by Heating the Tube Blank
- Jul 19, 2022
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The production of hot-rolled seamless steel pipes generally requires two heating processes from the billet to the finished steel pipe, that is, the heating before the piercing of the billet and the pierced...
Defects Caused by Heating and Their Prevention
- Jul 19, 2022
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The uniform temperature of the pierced billet after rolling by the pipe mill generally cannot be guaranteed, and it is difficult to meet the requirements of the final rolling temperature of the pierced...
Test Methods for Fully Automatic Argon Arc Welding of Carbon Steel Pipes
- Jul 19, 2022
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At present, the welding of carbon steel pipes with small diameters mainly adopts manual argon arc welding processes. In engineering projects, such pipelines have the characteristics of small diameters,...
Test Results of Automatic Argon Arc Welding Processes for Carbon Steel Pipes
- Jul 19, 2022
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1. NDT According to the requirements of ASME BPV Ⅸ-2015 standard, the appearance, ultrasonic and magnetic particle inspection were carried out after welding, and the results were all qualified. The appearance...
Classification Method of Seamless Steel Pipe
- Jul 19, 2022
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Seamless steel pipe is a kind of strip steel with hollow section and no seam around it. Steel pipes have hollow cross-sections, which are widely used as pipelines for transporting fluids, such as oil,...
The Differences between Tubes and Pipes
- Jul 19, 2022
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The differences between T92 and P92 Tubes refer to small pipes, which are generally used as a superheater or a reheater in a boiler. Pipes are large tubes which are generally used in the main steam...