Hot-rolled seamless steel pipe refers to seamless steel pipe processed by rolling at high temperature. It has the advantages of uniform wall thickness, smooth internal and external surfaces, and precise dimensions. It is widely used in petroleum, chemical industry, electric power, aviation, metallurgy and other fields.
Hot-rolled seamless steel pipes are usually made of carbon steel, alloy steel and stainless steel. Carbon steel materials include 20#, 45#, Q345B, etc., alloy steel materials include 16Mn, 12CrMo, 15CrMo, etc., and stainless steel materials include 304, 316, etc.
Hot-rolled seamless steel pipes come in a wide variety of specifications and wall thicknesses, and are generally classified according to outer diameter and wall thickness. Commonly used specifications for outer diameter are φ6-φ720mm, and commonly used specifications for wall thickness are 0.5-60mm. Hot-rolled seamless steel pipes of different specifications and wall thicknesses are suitable for different fields and uses.
The mechanical properties of hot-rolled seamless steel pipes are one of its important technical indicators. Usually include tensile strength, yield strength, elongation and other indicators. The mechanical properties of hot-rolled seamless steel pipes of different materials and specifications are also different. Users can choose the appropriate materials and specifications according to their own needs.
The market price of hot-rolled seamless steel pipes is affected by many factors, such as material, specifications, wall thickness, market supply and demand, etc. Generally speaking, the price of carbon steel is relatively low, and the price of stainless steel is relatively high. The prices of hot-rolled seamless steel pipes of different specifications and wall thicknesses are also different, and users can compare and choose in the market.
