Performance and application details of 10Cr9MoW2VNbBN alloy steel pipe

10Cr9MoW2VNbBN alloy steel pipe, as a high-quality high-temperature and high-pressure alloy steel pipe, has been increasingly used in the industrial field. This alloy steel pipe has become a shining pearl in steel materials with its unique chemical composition, excellent physical properties, and wide application fields.

Performance of 10Cr9MoW2VNbBN alloy steel pipe

10Cr9MoW2VNbBN alloy steel pipe implementation standard: GB/T5310 seamless steel pipe for high-pressure boilers should comply with the requirements of TSGD7002 pressure pipeline component type test rules.

Chemical composition of 10Cr9MoW2VNbBN alloy steel pipe: carbon: 0.07~0.13, silicon: ≤0.50, manganese: 0.30~0.60, chromium: 8.5~9.5, molybdenum: 0.30~0.60, vanadium: 0.15~0.25, boron: 0.0010~0.0060, nickel: ≤0.40, aluminum: ≤0.040, copper: ≤0.20, niobium: 0.04~0.09, nitrogen: 0.030~0.070, tungsten: 1.50~2.0, phosphorus not more than 0.020, sulfur not more than 0.010

Heat treatment system of 10Cr9MoW2VNbBN alloy steel pipe: ≥1040℃ normalizing, ≥730℃ tempering.

The tensile strength of 10Cr9MoW2VNbBN alloy steel pipe is ≥620, the yield strength is ≥440, the elongation after fracture is longitudinal ≥20 and transverse ≥18, the longitudinal impact is ≥40, the transverse impact is ≥27, the Brinell hardness is not more than 250HBW, the Vickers hardness is not more than 265, and the Rockwell hardness is not more than 25.

Specifications of 10Cr9MoW2VNbBN alloy steel pipe: outer diameter: 57mm~762mm, wall thickness: 3.0mm~140mm

Production method of 10Cr9MoW2VNbBN alloy steel pipe: hot rolling, forging, delivery status: heat treatment

First, let's take a deep look at the chemical composition of 10Cr9MoW2VNbBN alloy steel pipe. This alloy steel pipe is mainly composed of iron, carbon, and a variety of alloy elements, including chromium, molybdenum, tungsten, vanadium, niobium, and boron. These elements each play an important role in the alloy steel pipe. Chromium can significantly improve the hardness and corrosion resistance of alloy steel, so that it can maintain stable performance in harsh working environments. Molybdenum can enhance the hardness, strength, and wear resistance of alloy steel, so that it can still maintain excellent mechanical properties when subjected to high pressure and high temperature. In addition, elements such as tungsten, vanadium, niobium, and boron also play an indispensable role in improving the performance of alloy steel pipes.

It is precisely because of the synergistic effect of these alloying elements that the 10Cr9MoW2VNbBN alloy steel pipe has excellent physical properties. First, it has high tensile strength and yield strength, which enables it to maintain good mechanical properties under high temperature and high-pressure environments. Secondly, its excellent wear resistance enables it to maintain stable performance for a long time in occasions with high friction, extending its service life. In addition, this alloy steel pipe also has good corrosion resistance and can be used for a long time in acidic and alkaline environments without losing mechanical properties.

In addition to excellent physical properties, 10Cr9MoW2VNbBN alloy steel pipe also has good processing performance. It can be further enhanced through processes such as heat treatment and surface treatment to improve its corrosion resistance and wear resistance. At the same time, this alloy steel pipe has various supply forms, including plates, rods, tubes, steel strips, wires, and other forms, which greatly facilitate its application in various fields.

In terms of application fields, the application range of 10Cr9MoW2VNbBN alloy steel pipe is very wide. It is mainly used to manufacture high-temperature and high-pressure steam pipelines, heat exchangers, reactors, and other equipment, which play an important role in the fields of petroleum, chemical industry, metallurgy, electricity, aviation, and other fields. In these fields, 10Cr9MoW2VNbBN alloy steel pipe provides a reliable guarantee for the stable operation of equipment with its excellent high temperature resistance, high pressure, and corrosion resistance.

In addition, 10Cr9MoW2VNbBN alloy steel pipe also has high toughness and impact resistance, which makes it not easy to break or deform when it is subjected to working conditions under high pressure, high temperature, and high stress environment. This characteristic makes it an irreplaceable advantage in some special working environments. For example, in high temperature and high pressure occasions such as nuclear power plants and thermal power plants, it can stably withstand the erosion of high temperature and high pressure steam and corrosive media, ensuring the safe operation of the equipment.

It is worth mentioning that 10Cr9MoW2VNbBN alloy steel pipe also has good anti-oxidation properties. In a temperature environment, it can resist oxidation corrosion and maintain its original structure and performance. This feature makes it widely used in some equipment that needs to work in a temperature environment for a long time, such as boilers, furnace tubes, etc.

In general, 10Cr9MoW2VNbBN alloy steel pipe has become an indispensable and important material in the industrial field with its unique chemical composition, excellent physical properties, and wide application fields. With the advancement of science and technology and the development of industry, it is believed that the performance and application fields of this alloy steel pipe will be further expanded and improved, contributing more to the development of industry.