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What is the heat treatment process of large-diameter steel pipes

What is the heat treatment process of large-diameter steel pipes

Keywords :What is the heat treatment process of large-diameter steel pipes        Update : 2023-06-06        View(s) : 464

(1) During the heat treatment process, the cause of the geometric change of the large-diameter steel pipe is the heat treatment stress. Heat treatment stress is a relatively complicated issue. It is not only the cause of defects such as deformation and cracks but also an important means to impro...

Precautions for handling and storing stainless steel pipes at the construction site

Precautions for handling and storing stainless steel pipes at the construction site

Keywords :Precautions for handling and storing stainless steel pipes at the construction site        Update : 2023-06-05        View(s) : 656

After the thin-walled stainless steel pipes are packed and bundled, they should be stored in a dry and clean environment without corrosive gas, and should not be piled up with other items. Because the surface of stainless steel is relatively smooth and bright, and it is also a metal product...

Factors Affecting the Accuracy and Resolution of Oil Casing Wall Thickness Detection

Factors Affecting the Accuracy and Resolution of Oil Casing Wall Thickness Detection

Keywords :Factors Affecting the Accuracy and Resolution of Oil Casing Wall Thickness Detection        Update : 2023-06-02        View(s) : 500

The API standard stipulates that the inner and outer surfaces of the import and export oil casing shall not have folds, separations, cracks, and scars. These defects should be completely removed, and the removal depth should not be less than 12.5% of the nominal wall thickness. Oil casing must b...

How to solve the phenomenon of

How to solve the phenomenon of "goose head bend" of spiral steel pipe

Keywords :How to solve the phenomenon of "goose head bend" of spiral steel pipe        Update : 2023-06-01        View(s) : 1

If the large-diameter spiral steel pipe is processed to a certain length, there must be bending, which is a phenomenon and situation that is often encountered in steel pipes. The large-diameter spiral steel pipe is commonly called "goose head bend" due to the unevenness along the length of the b...

Some installation points about stainless steel pipe fittings

Some installation points about stainless steel pipe fittings

Keywords :Some installation points about stainless steel pipe fittings        Update : 2023-05-31        View(s) : 1

The installation method of stainless steel pipe fittings is the same as that of ordinary carbon steel pipe fittings, but there are some special requirements in some processes. as follows: 1. The material of stainless steel pipe fittings should not be in direct contact with other metals and ...

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