What are the defects of seamless tubes? How to avoid it?

Common defects of seamless tubes (SMLS):
1. Porosity: There are some holes on the surface or inside of seamless tubes, which may reduce the strength and sealing properties of the pipe.
2. Inclusions: There may be some foreign matter on the surface or inside of the seamless tube, such as stones, impurities, etc. These foreign matter may affect the use of the pipe.
3. Cracks: There may be some cracks on the surface or inside of seamless tubes, which may reduce the strength of the pipe and even affect the service life of the pipe.

4. Rough surface: The smoothness of the surface of the seamless tube is not up to standard, with bulges, particles, scratches and other phenomena appearing, which affects the use effect of the pipe.

Causes of seamless tube defects:
1. Problems during the production process: Defects in seamless tubes may be caused by operational or equipment problems during the production process, such as metal quality, lack of monitoring equipment, and irregular operations.
2. Material issues: The quality of seamless tubes may be affected by materials, such as material purity, oxygen content, etc., leading to defects.
3. Problems during transportation: Seamless tubes may be affected by impact or extrusion during transportation. These effects may cause varying degrees of defects on the surface or inside of the pipe.

How to avoid seamless tube defects?
1. Choose high-quality materials: When producing seamless tubes (ASTM A106), high-quality metal materials should be selected to avoid problems such as impure materials and excessive oxygen content.
2. Improve monitoring equipment: When producing seamless tubes, complete monitoring equipment must be installed to detect and repair problems in a timely manner to avoid defects.
3. Ensure transportation safety: When transporting seamless tubes, it is necessary to comply with relevant safety regulations and adopt reasonable transportation methods to avoid adverse effects on the pipes as much as possible.

Summarize:
As an important pipe material, seamless tubes may have various defects during production and use, such as pores, cracks, inclusions and other problems. In order to avoid these problems, it is necessary to choose high-quality materials, improve monitoring equipment, and ensure transportation safety. Only in this way can high-quality seamless tubes be produced to meet the needs of different industries.