05
2020-08
How to prevent the decarburization of thick-walled steel pipes?
The medium that causes the decarburization of the surface of the thick-walled steel pipe is mainly oxidizing gases such as oxygen, water vapor and carbon dioxide. When these gases come into contact with the heated spiral tube,
2020-08-05
20
2021-08
What is the performance of stainless steel pipe at low temperature?
Regarding the low temperature state, ferritic stainless steel pipes have low temperature brittleness like carbon steels, but austenitic steels do not. Therefore, ferritic or martensitic stainless steels exhibit low-temperature embrittlement while austenitic stainless steels or nickel-based alloys do not exhibit low-temperature embrittlement.
2021-08-20
17
2022-09
What is the use of anti-corrosion steel pipe
Regarding the usefulness of 3PE anti-corrosion steel pipes, many people only know one or the other, and its effect is really wide-ranging. It is suitable for coal mine underground water supply and drainage,
2022-09-17
28
2022-04
How are seamless steel pipes connected
Compression method: insert the pipe into the pipe of the pipe fitting, fix it with a nut, and use the screw force to compress the shell of the nozzle through the sealing ring, seal the pipe, and complete the pipe connection.
2022-04-28
28
2022-04
The main method to improve the corrosion resistance of seamless pipes
In order to improve the corrosion resistance of seamless pipes, general seamless pipes are galvanized.
2022-04-28
28
2022-04
How to improve the inner surface quality of seamless steel pipe
In order to avoid scarring defects in hot-rolled seamless steel pipes, it is first necessary to learn to use deoxidizers. The oxides are required to be in a molten state when the mandrel is pre-pierced. Its strength and other strict requirements. The particle size of the deoxidizer powder is generally required to be about 16 meshes.
2022-04-28
28
2022-04
What kind of site and warehouse are suitable for seamless steel pipe storage
The seamless steel pipe must be stored in the site and warehouse of Shihe to ensure the quality of the period, so how to choose the site and warehouse suitable for the storage of seamless steel pipe?
2022-04-28
28
2022-04
Seamless steel pipe material is diverse and versatile
The definition of seamless steel pipe is: a steel pipe made of a single piece of metal without seams on the surface. According to the production method, seamless pipes are divided into hot-rolled pipes, cold-rolled pipes, cold-drawn pipes, extruded pipes, and pipe jacking. According to the cross-sectional shape, the seamless steel pipe is divided into two types: round and special-shaped.
2022-04-28
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