Petrochemical Industry ApplicationsReactors

In petrochemical processes such as hydrocracking and hydrotreating, SA387Gr11CL2 hot - rolled steel plates are used to construct reactors. These reactors operate under high - temperature (up to around 500 - 600°C) and high - pressure (several megapascals to tens of megapascals) conditions with the presence of hydrogen and various hydrocarbons. The steel's resistance to hydrogen embrittlement and its high - temperature strength provided by alloying elements like chromium and molybdenum make it suitable for such applications. For example, in a hydrocracking reactor, the steel plates can withstand the harsh chemical reactions and the internal pressure generated by the reaction mixture.

Heat Exchangers

Heat exchangers in the petrochemical industry play a crucial role in heat transfer between different process streams. SA387Gr11CL2 steel plates are used to fabricate the shells and tubes of heat exchangers. The ability of the steel to handle high - temperature differentials and corrosive fluids is vital. For instance, in a crude oil distillation unit, the heat exchanger made of this steel can efficiently transfer heat between the hot crude oil and the cooling medium, allowing for the separation of different hydrocarbon fractions.

Separators

Separators are used to separate different phases (such as liquid - liquid or gas - liquid) in petrochemical processes. The steel plates are used to build the pressure - containing structures of these separators. Their high - strength and corrosion - resistant properties ensure that the separators can operate under the high - pressure and often corrosive conditions of the petrochemical plant. For example, in a natural gas processing plant, the separator made of SA387Gr11CL2 steel plates can separate water and other impurities from the natural gas.

Power Generation ApplicationsSteam Generators

In power plants, SA387Gr11CL2 steel plates are used in the construction of steam generators. These components are subjected to high - temperature steam (up to around 550 - 600°C) and high - pressure conditions. The steel's high - temperature strength and good creep resistance help to ensure the integrity of the steam generator over its long - term operation. For example, in a coal - fired power plant, the steam drum and other pressure - containing parts of the steam generator can be made of this steel to withstand the internal pressure of the steam and the thermal stresses caused by temperature gradients.

High - Temperature Piping Systems

The steel plates are also used for high - temperature piping systems in power plants. These pipes transport high - temperature steam or other fluids between different components such as boilers, turbines, and heat exchangers. The ability of SA387Gr11CL2 steel to maintain its mechanical properties at high - temperatures and resist corrosion due to the steam environment makes it an ideal material for such piping systems. This helps to prevent leaks and failures in the power - generation process.

 

 

 

 

 

High Strength Chemical Composition
Grade	C	Si	Mn	P	S
DNV steel	0.18	0.10-0.35	0.9-1.6	0.035	0.035

Manufacturing and Processing of SA387Gr11CL2 Steel Plate

Production Process

The steel is usually produced through a combination of smelting and hot - rolling processes. In the smelting stage, high - quality raw materials are carefully selected and melted in a furnace. The alloying elements are added in precise amounts to achieve the desired chemical composition. After smelting, the molten steel is cast into billets. The billets are then heated to a suitable temperature, typically around 1100 - 1200℃, and passed through a series of rolling mills to form the hot - rolled steel plates. The rolling process requires strict control of parameters such as rolling temperature, speed, and reduction rate to ensure the proper microstructure and mechanical properties of the steel plates.

Weldability and Machinability

SA387Gr11CL2 steel plate has good weldability. However, due to its alloy composition and the requirements for high - temperature performance, special welding procedures and consumables are often required. Pre - heating before welding and post - welding heat treatment may also be necessary to reduce welding residual stress and avoid cracking. In terms of machinability, appropriate cutting tools and machining parameters should be selected to achieve efficient machining while maintaining the surface quality and mechanical properties of the steel plates.

 

 

 

 

Why Choose Us?
We take pride in our ability to provide custom solutions for our customers' unique needs.
We analyze and compare the previous products and the current technical situation of our SA387Gr11CL2 Hot Rolled Steel Plate Pressure Vessel Steel, and develop new technical specifications and processes.
Our customers trust us to deliver high-quality Cold-rolled Steel products on time and on budget.
We strictly implement the warm and thoughtful after-sales service, adhere to the development of good professional ethics.
We offer a wide range of Cold-rolled Steel products to meet diverse customer needs.
We adhere to the customer-centric and brand-oriented business philosophy, and continue to provide customers with reliable and excellent products and services.
Our factory is committed to upholding the highest standards of safety and quality.
All staff of our company and all departments work together to combine business management, professional technology, quantitative statistical methods and ideological education.
Our Cold-rolled Steel products are known for their durability and reliability.
 

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