Monthly Archives: January 2022

Seamless steel pipe pickling passivation process steps Washing→degreasing to oil→washing→second oil removal→hot water washing→acid washing→water washing→neutralization→water washing→chromic anhydr...

It is a common phenomenon that the wear-resistant welded pipe will heat up after transported a long time, which directly affects the normal work of the concrete pump and the damage caused by the heati...

1, Definition: Q345B steel pipe is one of the materials of seamless steel pipe, the former name is 16Mn. 16, which represents the carbon content of this steel is about 0.16%. Mn alone was proposed b...

It is well known that there are many types of welded steel pipes. There are always seamless steel pipes and straight seam steel pipes(LSAW), while straight seam steel pipes have weld seams, and weld s...

Straight seam welding of large diameter steel pipes is produced from steel plates, while spiral welding of large diameter steel pipes is produced by hot rolled coils. The rolling process of the hot st...

The hot-dip galvanized steel tube is obtained by reacting a molten metal with an iron matrix to produce an alloy layer, thereby combining the substrate and the plating layer. Hot-dip galvanizing is th...

China's steel pipe industry has a long history of nearly sixty years, but this can only be said to be the history of seamless steel pipes. Straight seam steel pipes are still a new thing compared to s...

The development status of 3PE anti-corrosion spiral steel pipe industry is still good at home and abroad, it also plays a relatively large role in the anti-corrosion industry. 3PE anti-corrosion steel...

When it comes to the API, its name is definitely famous worldwide. The API refers to the American Petroleum Institute. Founded in 1919, it is the first national business association in the United Stat...

Seamless steel pipe with small outer diameter can be called as small-diameter seamless steel pipe. Small-diameter seamless steel pipe can also be pided into: seamless small-diameter steel pipe and str...