Petroleum project application 12Cr5MoI seamless steel pipe for petroleum cracking details

With the rapid development of the petroleum industry, the demand for high temperature-resistant and corrosion-resistant seamless steel pipes for petroleum cracking is growing. Among them, 12Cr5MoI seamless steel pipe for petroleum cracking has become a popular product in the market with its excellent performance and wide application fields.

Industrial characteristics of 12Cr5MoI seamless steel pipe for petroleum cracking

1. 12Cr5MoI seamless steel pipe for petroleum cracking product implementation standard GB/T9948 seamless steel pipe for petroleum cracking

2. 12Cr5MoI seamless steel pipe for petroleum cracking Chemical composition: carbon: ≤0.15, silicon: ≤0.50, manganese: 0.30~0.60, chromium: 4.0~6.0, molybdenum: 0.45~0.60, nickel: ≤0.60, copper: ≤0.20, phosphorus: not more than 0.025, sulfur: not more than 0.015

3. 12Cr5MoI seamless steel pipe for petroleum cracking Tensile strength: 415MPa~590MPa, lower yield strength: not less than 205, elongation after fracture not less than 22

4. 12Cr5MoI alloy steel pipe state: fully annealed or isothermal annealed,

5. 12Cr5MoI seamless steel pipe for petroleum cracking Production method: hot rolling, cold drawing, hot expansion, delivery status: heat treatment

6. 12Cr5MoI seamless steel pipe for petroleum cracking Product specifications: outer diameter 19mm~762mm, wall thickness: 2.0mm~150mm

First, let's take a look at the chemical composition of the 12Cr5MoI seamless steel pipe. The steel pipe is mainly composed of carbon, silicon, manganese, chromium, molybdenum, and other elements, among which the carbon content is controlled below 0.15%, the silicon content does not exceed 0.50%, the manganese content is between 0.30%~0.60%, the chromium content is between 4.0%~6.0%, and the molybdenum content is between 0.45%~0.60%. The precise ratio of these elements makes the 12Cr5MoI seamless steel pipe have excellent high temperature strength and oxidation resistance and can be used for a long time in high temperature environments without obvious performance degradation.

Next, let's take a look at the performance characteristics of the 12Cr5MoI seamless steel pipe. First of all, it has good high temperature strength and oxidation resistance, can operate stably under high temperature and high pressure environments, and provides reliable support for petroleum cracking units. Secondly, the steel pipe has excellent fatigue resistance, can withstand the action of alternating loads, is not prone to fatigue cracks, and ensures the long-term reliability of the equipment. In addition, 12Cr5MoI seamless steel pipe also has good corrosion resistance, can adapt to the environment of various corrosive media, and provides stable pipeline support for the oil cracking process.

In terms of production technology, 12Cr5MoI seamless steel pipe adopts an advanced rolling process and heat treatment system to ensure the quality and performance of the steel pipe. During the rolling process, the rolling temperature and rolling speed are precisely controlled to make the steel pipe uniform in structure and high in dimensional accuracy. During the heat treatment process, a full annealing process is used to reduce the hardness of the steel pipe and improve its toughness, making the steel pipe easier to cut, bend, and drill in subsequent processing.

12Cr5MoI seamless steel pipe for oil cracking has a wide range of applications in the oil industry. It is mainly used in key parts such as furnace tubes, heat exchanger tubes, and transportation pipelines in oil-cracking units. In the high temperature and high pressure oil cracking process, 12Cr5MoI seamless steel pipe can stably transmit oil and cracking products, ensuring the smooth progress of the oil cracking process. At the same time, its excellent corrosion resistance enables the steel pipe to operate stably for a long time in corrosive media, extending the service life of the equipment.

In addition, 12Cr5MoI seamless steel pipes are also widely used in other chemical fields. In chemical production, many process flows need to be carried out in high temperatures and high pressure or corrosive media, so the requirements for pipeline materials are very high. With its excellent high temperature strength, oxidation resistance, and corrosion resistance, 12Cr5MoI seamless steel pipes can meet the use requirements in these special environments and provide reliable pipeline support for chemical production.

In short, 12Cr5MoI seamless steel pipes for petroleum cracking have become an indispensable and important material in the petroleum and chemical fields with their excellent performance characteristics and wide application fields. With the continuous advancement of technology and the continuous development of the market, it is believed that the performance of 12Cr5MoI seamless steel pipes will be further improved, making greater contributions to the sustainable development of the petroleum and chemical industries.