seamless pipe

Honed tube is a high-precision steel tube used in hydraulic and pneumatic systems. It is widely used in oil cylinders and cylinders of various mechanical equipment. Due to its high finish and precise dimensional control on the inner surface, the honed tube plays an important

High temperature boiler tube is a special steel tube used in high temperature and high pressure environment, which is widely used in power plants, petrochemical industry, shipbuilding and other industries. Due to its special working conditions, this type of steel tube needs to have excellent

In the past month, China's steel industry has received a series of good news, especially in terms of rising billet prices, steady growth in steel pipe exports, and positive signs in future steel pipe price forecasts. 1. Billet price trend Since September, China's billet market

Oil casing pipe is an important equipment used to support the well wall, maintain the stability of the wellbore, protect the drilling mud backflow and prevent the well wall from collapsing during oil drilling. It is a key component of oil extraction and is widely

High-pressure boiler tubes are pipes used in boiler systems to withstand high temperatures and high pressures, and are usually required to have high strength, high temperature resistance and corrosion resistance. The materials of high-pressure boiler tubes usually include the following: Carbon steel: such as 20G

Seamless steel pipes can be divided into the following categories according to different manufacturing processes, materials and uses: 1. Classification by production process Hot-rolled seamless steel pipe: produced by high-temperature rolling, suitable for high strength and high toughness requirements, widely used in machinery, construction, oil

DIN standard (Deutsches Institut für Normung, German Institute for Standardization) is a technical standard system for steel pipes and other materials in Germany. DIN standard is the national standard of Germany and is widely used in the manufacture of various materials and industrial products, including

JIS (Japanese Industrial Standards) provides systematic guidance for the production and application of steel pipes. JIS covers steel pipes made of a variety of materials, including carbon steel, stainless steel, alloy steel, etc. Each material is classified into different steel grades according to its chemical

ASTM (American Society for Testing and Materials) standards are widely used internationally, covering the chemical composition, mechanical properties, manufacturing process and other requirements of various materials. In the field of steel pipes, ASTM standards have specific specifications for different types of steel pipes. The following

The purpose of anti-corrosion treatment of steel pipes is to extend their service life, protect them from environmental factors, and avoid economic losses and safety hazards caused by corrosion. The specific reasons include the following: Extend life: Anti-corrosion treatment can significantly extend the service life