Types and uses of welded steel pipes
Carbon steel welded pipes can be divided into three types: Longitudinal submerged arc welded steel pipes (LSAW), Spiral welded steel pipes (SSAW), and Electric resistance welded Steel Pipe (ERW, also called high-frequency straight...
2024-04-02
304 Stainless Steel Pipe Hardness
304 stainless steel pipe commonly used brinell, rockwell, vickers hardness of three indicators to measure its hardness.Brinell hardness (HB): Among stainless steel pipe standards, Brinell hardness is widely used. Its principle is ...
2024-04-02
Why does oil casing pipe need rust removal and painting?
Oil casings play a vital role in the oil extraction and production process. They are used in the construction of oil wells to support the well walls, prevent well wall collapse and allow the deployment of drilling and oil producti...
2024-04-01
How to distinguish precision seamless steel pipes and industrial seamless steel pipes？
There are significant differences between precision seamless steel pipes and industrial seamless steel pipes in many aspects, and these differences can be effectively distinguished.First of all, from the perspective of manufacturi...
2024-04-01
What is A106 Gr.B equivalent material?
A106 Gr.B A commonly used material standard for seamless carbon steel pipes, also known as ASTM A106 Gr.B. Considered equivalent to ASTM A53 Grade B and API 5L Grade B in terms of chemical composition and mechanical properties. It...
2024-03-29
Duplex stainless steel pipe cold working process
The cold working process of duplex stainless steel pipes mainly includes a series of specific steps and precautions to ensure the quality and performance of the steel pipes.First, since the yield strength of duplex stainless steel...
2024-03-29