Advantages of SML Steel Pipe and ERW Steel Pipe
ERW (high frequency straight seam welded pipe) steel pipe blanks are manufactured by hot-rolled steel strip cold rolling forming, while SML (seamless steel tube) steel pipe blanks are formed by perfor...
How to Protect the Anode and Cathode of Oil Casing Pipe
With the rapid development of the petroleum industry, the severe corrosion of buried pipelines, oil well casings and storage tank bottom plates, especially oil well casings, in oilfields has severely ...
Difference Between LSAW and ERW Steel Pipes
"LSAW steel pipe" is a straight seam submerged arc welded steel pipe. Its main process features are:
1. In the process of steel pipe forming, the steel plate is uniformly deformed, the residual stress...
High-pressure Boiler Seamless Steel Pipe
High-pressure boiler seamless steel tube is a kind of boiler tube, which belongs to the seamless steel tube category. The manufacturing method is the same as the seamless pipe, but there are strict re...
Oil Casing String Is An Integral Structure Of Oil Well
Petroleum casing pipe is a special kind of tubing that has been used for a long time. Petroleum casing string is an integral structure of oil wells, which plays the role of strengthening the wellbore,...
Classification of Seamless Steel Tubes
Seamless steel tubes have become very common in life. Do you know how many grades of seamless steel tubes can be pided into?
First, the surface of general hot-rolled seamless steel tube products is F...
