Steel pipe inner wall anti-corrosion is an anti-corrosion device for the inner wall of the steel...
After installing the 304 stainless steel pipe , tear off the packaging film on the surface of the...
The main business is DIN-2391 standard hydraulic seamless steel pipe (GB3639-83), which has been...
Cold-dip galvanizing refers to electroplating, and hot-dip galvanizing refers to the zinc plating of...
The surface quality of steel pipe: requirements for smooth surface a. Dangerous defects: cracks,...
Special pipes for oil and natural gas drilling and transportation are collectively referred to as pe...
1. The power supply with vertical external characteristics is adopted, and the positive polarity is ...
The type of anti-corrosion steel pipe should be selected according to the working pressure, use,...
1. Tees, crosses, press-formed reducers, and pipe caps formed by the direct cutting of bars of all m...
Butt welding pipe fittings are a kind of pipe fittings with better quality made of welded pipes....
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