Threeway Steel Co., Ltd
E-mail: sales@srtsteelpipe.com
Address: 22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha, Hunan, China, PC: 410116Phone:0086-731-8873-9521
Keywords :Why does the stainless steel flange rust Update : 2023-06-07 View(s) : 496
Stainless steel flanges are not completely rust-free, but their oxidation resistance is stronger than ordinary steel, so it is called stainless steel. Stainless steel not only can resist atmospheric oxidation, but also can corrode in acid, alkali, and salt media. However, the size of its an...
Keywords :What is the heat treatment process of large-diameter steel pipes Update : 2023-06-06 View(s) : 519
(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...
Keywords :Precautions for handling and storing stainless steel pipes at the construction site Update : 2023-06-05 View(s) : 743
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...
Keywords :Factors Affecting the Accuracy and Resolution of Oil Casing Wall Thickness Detection Update : 2023-06-02 View(s) : 573
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...
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...