What material is used for seamless pipes?

Seamless pipe is a steel pipe with no seams on the surface and formed in one piece. It is made of various materials. Common seamless steel pipe materials include carbon steel, stainless steel and alloy steel.

1. Carbon steel seamless steel pipe is one of the most commonly used seamless steel pipe materials. This kind of steel pipe uses iron as the main element and the carbon content is generally less than 2%. Due to their relatively low price, carbon steel seamless pipes are widely used in various structural and mechanical parts.

2. Stainless steel seamless steel pipes have better corrosion resistance and high strength, and usually contain a higher percentage of alloying elements such as chromium and nickel. This kind of steel pipe not only has the characteristics of high temperature resistance and low temperature resistance, but also has a smooth surface and is not easily contaminated by impurities, so it has been widely used in industries such as health and food.

3. Alloy steel seamless steel pipe is a steel pipe containing a variety of alloy elements. It has excellent strength, hardness, toughness and wear resistance. In high temperature environments, alloy steel seamless steel pipes also show good oxidation resistance and high creep strength, so they are widely used in aviation, petroleum, chemical and other industries.

In addition to the above common materials, seamless steel pipes can also be manufactured in other specific materials according to the specific use environment and needs. At the same time, there are various types of seamless steel pipes, which can be divided into hot-rolled, cold-rolled, cold-drawn, extruded seamless steel pipes according to the production process.