In the modern industrial field, high-performance alloy steels have won wide applications with their unique mechanical properties and corrosion resistance. Among them, 15Ni1MnMoNbCu alloy high-pressure boiler steel pipes play a pivotal role in many key fields such as oil extraction, natural gas transmission, and thermal power generation due to their excellent performance characteristics.

Details of 15Ni1MnMoNbCu alloy high-pressure boiler steel pipes
1. The product of 15Ni1MnMoNbCu alloy high-pressure boiler steel pipes implements GB/T5310 seamless steel pipes for high-pressure boilers
2. Product specifications of 15Ni1MnMoNbCu alloy high-pressure boiler steel pipes: outer diameter 57mm~762mm, wall thickness 3.0mm~140mm
3. Production method of 15Ni1MnMoNbCu alloy high-pressure boiler steel pipes: hot rolling, delivery status: heat treatment.
4.15Ni1MnMoNbCu alloy high-pressure boiler steel pipe products should comply with TSG D7002 pressure piping component type test rules.
5.15Ni1MnMoNbCu alloy high-pressure boiler steel pipe chemical composition: carbon: 0.10~0.17, silicon: 0.25~0.50, manganese: 0.80~1.20, molybdenum: 0.25~0.50, nickel: 1.0~1.30, aluminum: ≤0.050, copper: 0.50~0.80, niobium: 0.015~0.045, nitrogen: ≤0.020, phosphorus: not more than 0.025, sulfur: not more than 0.015
6.15Ni1MnMoNbCu alloy high-pressure boiler steel pipe mechanical properties: tensile strength 620~780MPa, yield strength ≥440MPa, Elongation after fracture: longitudinal ≥17, transverse ≥17, impact energy: longitudinal ≥40, transverse ≥27, Brinell hardness 190~255HBW, Vickers hardness 160~230HV, Rockwell hardness ≤25HRC.

First, let us understand the preparation process of 15Ni1MnMoNbCu alloy high-pressure boiler steel pipe. The preparation process of this alloy steel pipe involves multiple links such as smelting, rolling, and heat treatment. During the smelting process, the chemical composition of the steel pipe is ensured to meet the design requirements by precisely controlling the ratio of alloy elements. Subsequently, the molten alloy material is processed into a steel pipe with a specific size through a rolling process. Finally, through a heat treatment process, the steel pipe obtains excellent mechanical properties and corrosion resistance.

In terms of performance, 15Ni1MnMoNbCu alloy high-pressure boiler steel pipe has the characteristics of high strength, high toughness, and good corrosion resistance. The high strength enables the steel pipe to maintain good structural stability under high pressure and high load, effectively extending its service life. High toughness enables the steel pipe to better absorb and disperse energy when it is impacted or vibrated, reducing the risk of structural damage. In addition, the alloy steel pipe also has good corrosion resistance and can maintain a long service life in harsh environments such as humidity, high temperature, strong acids, and strong alkalis.

In terms of application areas, 15Ni1MnMoNbCu alloy high-pressure boiler steel pipe is widely used in oil extraction, natural gas transmission, thermal power generation, and other fields. In the field of oil extraction, the steel pipe can withstand underground high-pressure and high temperature environments to ensure the smooth progress of oil extraction. In the field of natural gas transmission, its excellent corrosion resistance and strength enable the steel pipe to transport natural gas stably for a long time to ensure the safety and reliability of the energy supply. In the field of thermal power generation, the steel pipe can withstand high temperature and high pressure steam environments to provide a stable and reliable pipeline system for generator sets.

With the continuous advancement of industrial technology and increasingly stringent environmental protection requirements, 15Ni1MnMoNbCu alloy high-pressure boiler steel pipe will continue to play an important role in future development. On the one hand, by continuously optimizing the preparation process and heat treatment technology, the performance indicators of the steel pipe can be further improved to meet higher requirements of industrial applications. On the other hand, with the continuous development of renewable energy and low-carbon economy, the demand for high-performance steel pipes will continue to grow, providing broad space for the market expansion of 15Ni1MnMoNbCu alloy high-pressure boiler steel pipes.

In addition, with the continuous emergence of new materials and new processes, the performance and application areas of 15Ni1MnMoNbCu alloy high-pressure boiler steel pipes will continue to expand. For example, by introducing new alloy elements or optimizing the alloy ratio, the corrosion resistance and high-temperature performance of the steel pipe can be further improved; by adopting advanced surface treatment technology, the wear resistance and fatigue resistance of the steel pipe can be further improved. These technological innovations will enable 15Ni1MnMoNbCu alloy high-pressure boiler steel pipes to be used in more fields and provide strong support for industrial development.

In summary, 15Ni1MnMoNbCu alloy high-pressure boiler steel pipes have broad application prospects in oil extraction, natural gas transmission, thermal power generation, and other fields with their excellent mechanical properties and corrosion resistance. With the continuous advancement of industrial technology and increasingly stringent environmental protection requirements, this steel pipe will continue to play an important role and expand its application areas. In the future, through technological innovation and process optimization, we can expect 15Ni1MnMoNbCu alloy high-pressure boiler steel tube to demonstrate its excellent performance and value in more fields.