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Anti-corrosion measures for long-distance natural gas steel pipelines

Anti-corrosion measures for long-distance natural gas steel pipelines

Keywords :Anti-corrosion measures for long-distance natural gas steel pipelines        Update : 2023-03-03        View(s) : 507

In the actual steel pipeline transportation process, in essence, steel pipeline corrosion is a normal phenomenon and cannot be completely avoided. Reducing the impact of pipeline corrosion on natural gas transportation can only be alleviated through the application of corresponding measures, to ...

How to cool the large diameter steel pipe after the quenching process

How to cool the large diameter steel pipe after the quenching process

Keywords :How to cool the large diameter steel pipe after the quenching process        Update : 2023-03-02        View(s) : 519

(1) During the quenching process, the workpiece must be heated to a higher temperature and cooled at a faster rate. Therefore, during quenching, especially during the quenching and cooling process, a large thermal stress will be generated. When a steel ball with a diameter of 26 mm is cooled in wate...

Pre-welding and welding of straight seam steel pipe

Pre-welding and welding of straight seam steel pipe

Keywords :Pre-welding and welding of straight seam steel pipe        Update : 2023-03-01        View(s) : 490

Pre-welding of straight seam steel pipes : pre-welding includes seams and welds. 1. The joint (that is, the forming seam) has no misalignment or the misalignment is less than the specified value. Generally, the amount of misalignment is ≤ 8% of the plate thickness, and the maximum is not more t...

What is the difference between mechanical steel tee and reducing steel tee, and under what circumsta

What is the difference between mechanical steel tee and reducing steel tee, and under what circumsta

Keywords :What is the difference between mechanical steel tee and reducing steel tee, and under what circumsta        Update : 2023-02-28        View(s) : 565

Mechanical steel tees refer to the method of processing steel tees. The different diameter steel tee refers to the different calibers of the steel tee. In the quota, mechanical steel tees can include steel tees of all calibers. Both the steel tee and the reducing steel tee are connectors in...

8 common connection methods for the construction of steel pipes

8 common connection methods for the construction of steel pipes

Keywords :8 common connection methods for the construction of steel pipes        Update : 2023-02-27        View(s) : 584

According to the purpose and pipe material, the commonly used connection methods of construction steel pipelines are threaded connection, flange connection, welding, groove connection (clamp connection), ferrule connection, compression connection, hot melt connection, socket connection, etc. ...

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