
The design of steel pipe piling
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Steel pipe pile foundation has the characteristics of quick…

The specifications of steel pipe pile
In the offshore and inland alluvial plain region, the thickness…

How to improve the strength of steel?
The strength of steel refers to the deformation and fracture…


The welding of API J55 casing
API 5A J55 is a commonly used casing material. The tubing body…

What’s the steel material for Hydrogen pipeline?
Hydrogen can be gaseous hydrogen, liquid hydrogen and solid…