Thick-walled seamless steel pipes are generally manufactured using hot rolling techniques. In terms of measurement, it is generally considered that pipes with a wall thickness-to-diameter ratio of 0.02 or greater are classified as thick-walled seamless steel pipes. In terms of application, thick-walled seamless steel pipes are commonly used for blanking hollow parts, pressure-bearing, and critical pipelines.

The safety and economic efficiency of thick-walled seamless steel pipes. From an economic perspective, it is essential to minimize costs while meeting design requirements, which is beneficial for the sale of the product; the components made from thick-walled seamless steel pipes should be safe and reliable, with higher strength grades indicating increased safety.