Simply put, the process of heating the steel and controlling it above the recrystallization temperat...
1. The premise must be polished The galvanized layer at the weld must be polished off, otherwise, ...
According to the use and pipe materials, the commonly used connection methods of construction pipeli...
1. First of all, let's talk about the process: The process of the seamless elbow is hot pushing, c...
A. According to the diameter and specific conditions of the pipeline, select the appropriate connect...
1. The use of large-diameter straight seam welded pipes can be divided into oil well pipes (casi...
The materials used for the anti-corrosion processing of spiral steel pipes have a decisive effec...
(1) Pigging ball Usually, the pigging ball used in the gas steel pipeline is made of rubber ma...
The maintenance of straight seam welded pipe equipment has become a headache. Straight seam welde...
Stainless steel welded pipe technology - argon arc welding Stainless steel welded pipes requ...
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