First, Material Characteristics of 07Cr19Ni10 Petroleum Cracking Tubes
07Cr19Ni10 stainless steel, also known as 304H stainless steel, is an austenitic stainless steel. Commonly used standards for 07Cr19Ni10 petroleum cracking tubes are GB/T5310, GB/T9948, and GB/T13296. Its chemical composition primarily includes carbon (0.04-0.10%), silicon (≤1.00%), manganese (≤2.00%), phosphorus (≤0.040%), sulfur (≤0.030%), nickel (8.00-11.00%), and chromium (18.00-20.00%). The mechanical properties of 07Cr19Ni10 oil cracking pipes are as follows: Tensile strength: ≥520MPa, yield strength: ≥205MPa, elongation: ≥40%, hardness: HB ≤187, density: 7.93g/cm³
1. Excellent corrosion resistance: The high content of chromium and nickel gives 07Cr19Ni10 stainless steel excellent corrosion resistance, especially in both oxidizing and reducing media.
2. Excellent high-temperature resistance: Even at high temperatures, 07Cr19Ni10 stainless steel maintains excellent strength and toughness, making it an ideal material for high-pressure boiler tubes and oil cracking pipes.
3. Excellent machinability and weldability: This material is easy to machine and weld, meeting the demands of manufacturing complex structural components.
4. High strength and toughness: 07Cr19Ni10 stainless steel has high yield strength and tensile strength while maintaining good toughness, allowing it to withstand significant mechanical and thermal stresses.
Second, the manufacturing process of 07Cr19Ni10 petroleum cracking pipes.
1. Raw material preparation: Select high-quality 07Cr19Ni10 stainless steel sheets or coils as raw materials, ensuring that the chemical composition and mechanical properties of the materials meet standard requirements.
2. Tube billet production: The raw materials are processed into tube billets through processes such as piercing, hot rolling, or cold rolling. During this process, temperature and deformation must be strictly controlled to ensure the microstructure and performance of the tube billets.
3. Heat treatment: The tube billets undergo solution treatment and aging treatment to improve the overall performance of the material, eliminate stress, and ensure the stability and safety of the product during use.
4. Finishing: The heat-treated tube billets undergo finishing of the internal and external surfaces, including grinding and polishing, to meet customer requirements for surface roughness and dimensional accuracy.
5. Inspection: The finished product undergoes rigorous inspection, including chemical composition analysis, mechanical property testing, and non-destructive testing, to ensure that product quality meets relevant standards and customer requirements.
Third, Application Areas of 07Cr19Ni10 Petroleum Cracking Pipes.
1. High-Pressure Boilers: In high-pressure boilers, 07Cr19Ni10 stainless steel pipes are used as the material for key components such as superheaters, reheaters, and water walls. They can withstand the erosion of high-temperature and high-pressure steam and water, ensuring safe and stable operation of the boiler.
2. Petroleum Cracking: In petroleum cracking units, 07Cr19Ni10 stainless steel pipes are used as piping materials for equipment such as catalytic cracking reactors and hydrocracking reactors. They can withstand the erosion of high-temperature and high-pressure hydrocarbon media and corrosive media, ensuring long-term stable operation of the equipment.
3. Chemical Equipment: In the chemical industry, 07Cr19Ni10 stainless steel pipes are used as the material for reactors, storage tanks, piping, and other equipment. They can withstand the erosion of various corrosive media, ensuring the quality of chemical products and production efficiency.
4. Nuclear and Thermal Power: In these sectors, 07Cr19Ni10 stainless steel pipes, used as piping materials for steam generators, coolers, and other equipment, are capable of withstanding the erosion of high-temperature, high-pressure steam and cooling water, ensuring the safe and stable operation of nuclear and thermal power plants.
Fourth, Market Prospects for 07Cr19Ni10 Petroleum Cracking Tubes.
With the continuous growth of global energy demand and increasing environmental awareness, market demand for energy equipment such as high-pressure boilers and petroleum cracking units continues to grow. As a key material for this equipment, 07Cr19Ni10 stainless steel high-pressure boiler pipes and petroleum cracking pipes have broad market prospects. On the one hand, with the continuous development and application of new energy technologies, traditional energy equipment such as high-pressure boilers and petroleum cracking units is facing the need for upgrading. This will place higher demands on 07Cr19Ni10 stainless steel high-pressure boiler pipes and petroleum cracking pipes, such as enhanced corrosion resistance, high-temperature resistance, and processability. On the other hand, with the global economic recovery and the development of emerging markets, energy infrastructure construction is accelerating, further driving market demand for 07Cr19Ni10 stainless steel high-pressure boiler tubes and oil cracking tubes. In emerging markets such as China and India, energy demand will continue to grow with the acceleration of industrialization and rising urbanization, creating a broad market for high-end materials such as 07Cr19Ni10 stainless steel high-pressure boiler tubes and oil cracking tubes.
In summary, as a high-quality material, 07Cr19Ni10 stainless steel high-pressure boiler tubes and oil cracking tubes have broad application prospects and market demand in the energy equipment sector. With continuous technological advancement and market development, this material will play an even more important role in the future market and make greater contributions to the sustainable development of the energy industry. At the same time, relevant companies should continuously strengthen technological research and development and innovation, improve product quality and service levels, to meet market demand and customer requirements, and achieve sustainable development.
Post time: Sep-28-2025