In the special documentation, the main characteristics of the pipe are indicated by special symbols. Based on the data, we see that the product is a steel pipe of the ST08 brand with a rectangular cross section, the long side reaches 50 millimeters, and the short — 25 millimeters, the wall of the pipe with a thickness of 3 millimeters. The service life of a steel pipe 50×25 is from 30 to 40 years. That is why it will be in great demand, even though a number of shortcomings. Long -term use proves that such products are strong and reliable.
