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Preliminary preparation for sawing of spiral steel pipe
After a series of treatments such as forming, welding and cooling, the spiral steel pipe still needs to be sawed. In this link, the length of the technical spare ruler directly affects the quality and sales of the finished welded pipe, so the length of the spare ruler should be controlled within ...Read more -
Common methods for anti-corrosion of 3PE anti-corrosion steel pipes
1. Pipeline anti-corrosion generally uses two common methods: outer coating and cathodic protection. 2. Although the vast majority of the surface of the pipeline is covered by the coating, the slightest leak will cause an incredible corrosion rate, or even a hole or crack. Therefore, the coating ...Read more -
Main technical characteristics of spiral steel pipe
During the forming process of the spiral steel pipe, the steel plate is uniformly deformed, the residual stress is small, and the surface has no scratches. The processed spiral steel pipe has more flexibility in the diameter and wall thickness size range, especially in the production of high stee...Read more -
What are the advantages of using straight seam welded pipe to transport fluids
1. The infrastructure cost is low. Compared with railway transportation, the infrastructure cost can be saved by three points, and the transportation volume is twice that of the railway. 2. The construction is simple, the construction speed is fast, and it is generally laid underground, which is ...Read more -
Control of wall thickness of straight seam steel pipe
The control of the wall thickness of the straight seam steel pipe is a difficulty in the production of steel pipes. At present, the methods of wall thickness accuracy in the production of straight seam steel pipe manufacturers generally include: 1. Tube blank heating The heating should be even an...Read more -
How to avoid wear and tear of spiral steel pipe
1. Spiral steel pipe packaging should avoid loosening and damage during normal handling, transportation, and storage. 2. If the buyer has special requirements for the packaging material and packaging method of the spiral steel pipe, it should be specified in the contract; if not specified, the pa...Read more