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Straight seam steel pipe continuous rolling process

Straight seam steel pipe continuous rolling process

Keywords :Straight seam steel pipe continuous rolling process        Update : 2022-04-26        View(s) : 133

Straight seam steel pipe continuous rolling process, continuous rolling process is used in the continuous rolling and diameter reduction process of steel pipes. Continuous steel pipe rolling is a process in which steel pipes and mandrels move together in multiple stands. The deformation and move...

How to deal with the natural gas pipeline-interface

How to deal with the natural gas pipeline-interface

Keywords :How to deal with the natural gas pipeline-interface        Update : 2022-04-25        View(s) : 122

(1) Gas pipeline preparation before construction ①Although the melting point of molten lead refined lead is 327℃, due to the operation in the open air, there is a certain distance between the molten lead and the pouring interface. Considering the temperature drop of molten lead during transpor...

Why can 3pe anti-corrosion pipes be anti-corrosion

Why can 3pe anti-corrosion pipes be anti-corrosion

Keywords :Why can 3pe anti-corrosion pipes be anti-corrosion        Update : 2022-04-24        View(s) : 121

3PE anti-corrosion pipe means that it has three layers of anti-corrosion PE steel pipes. 3pe anti-corrosion pipeline is widely used today, a kind of steel pipeline with good anti-corrosion. What anti-corrosion materials are the structure of 3pe anti-corrosion pipes composed of? What are the pr...

The difference between high frequency welded steel pipe and straight-seam welded steel pipe

The difference between high frequency welded steel pipe and straight-seam welded steel pipe

Keywords :The difference between high frequency welded steel pipe and straight-seam welded steel pipe        Update : 2022-04-22        View(s) : 113

1. Different nature A. High-frequency welded steel pipe : After the hot-rolled coil is formed by the forming machine, the skin effect and proximity effect of high-frequency current are used to heat and melt the edge of the tube blank, and pressure welding is performed under the action of the ex...

How deep is the natural gas pipeline buried

How deep is the natural gas pipeline buried

Keywords :How deep is the natural gas pipeline buried        Update : 2022-04-21        View(s) : 89

The minimum covering soil thickness for the burial of underground gas pipelines shall meet the following requirements: When buried under the roadway, it shall not be less than 0.9m; When buried under non-vehicle roads (including sidewalks), it shall not be less than 0.6m; When buried in...

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