The reducing pipe is a kind of reducing pipe fittings used in the reducing diameter of the pipeline....
1. Generally, large-diameter thin-walled steel pipes are used for the transportation of general ...
During the forming process of the spiral steel pipe , the steel plate is uniformly deformed, the ...
1. Spiral steel pipe packaging should avoid loosening and damage during normal handling, transpo...
It is recommended to use polyethylene anti-corrosion adhesive tape with a special primer for externa...
As an efficient special means of transportation, pipeline transportation has played an increasingly ...
1. Mainly use tools such as wire brushes to grind the surface of the steel. The cleaning and preheat...
Metallurgical Properties of Fabrication Materials The raw material of the spiral welded pipe i...
The repair requirements for the shortcomings of spiral steel pipe welds are as follows: The mi...
Before the steel is hot rolled, heating the raw material not only improves the mental plasticity, re...
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