The difference between 3pe anti-corrosion steel pipe and 2pe anti-corrosion steel pipe is that t...
Pre-welding of straight seam steel pipes : Pre-welding includes joints and welds. 1. There is n...
The nominal diameter of straight seam steel pipe refers to the series of diameters specified in ...
Steel pipeline anti-corrosion materials are divided into pipeline-themed anti-corrosion material...
Technical requirements for straight seam welded pipes : Technical requirements and inspection o...
The quality of non-standard straight seam welded steel pipe is not only related to its service l...
The defects that are prone to occur in the welded area of the spiral steel pipe include pores, h...
The difference between the globe valve and ball valve is the more common two imported electric v...
The pressure ratio of the spiral steel pipe on the gas pipeline also has a downward trend. For p...
3pe anti-corrosion pipeline is a relatively advanced anti-corrosion technology in recent years. Its ...
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