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Introduction and Application Scenarios of P355GH Steel Plate2024-12-19
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I. Introduction
P355GH is a high-performance steel plate for pressure vessels according to the European standard, with the execution standard being EN10028. This steel plate boasts excellent mechanical properties and corrosion resistance, making it suitable for manufacturing various equipment that withstands high temperatures, high pressures, and corrosive media.
In terms of chemical composition, the main element content of P355GH steel plate is strictly controlled to ensure its superior performance. Specifically, its carbon (C) content ranges from 0.10 to 0.22, silicon (Si) content does not exceed 0.60, and manganese (Mn) content is between 1.10 and 1.70. Additionally, the contents of phosphorus (P), sulfur (S), nitrogen (N), chromium (Cr), copper (Cu), molybdenum (Mo), niobium (Nb), nickel (Ni), titanium (Ti), and vanadium (V) are strictly controlled.
In terms of mechanical properties, the yield strength, tensile strength, elongation, and impact toughness of P355GH steel plate all meet the requirements of the European standard EN10028-2. Specifically, its yield strength ReH is not less than 355 MPa, tensile strength Rm ranges from 470 to 650 MPa, elongation A is not less than 20%, and impact toughness Akv at -20°C is not less than 27 J.
II. Application Scenarios
With its excellent performance, P355GH steel plate has been widely used in multiple industries, including:
Boilers and Pressure Vessels: P355GH steel plate is suitable for manufacturing various pressure vessels such as boilers, storage tanks, and furnace linings, especially in equipment that withstands high temperatures, high pressures, and corrosive media in industries like petroleum, chemicals, and power generation.
Construction Industry: In the construction field, P355GH steel plate can be used to manufacture structural and supporting components for high-rise buildings, as well as steel structures for bridges, high-rise buildings, and large industrial plants.
Shipbuilding Industry: In the shipbuilding industry, P355GH steel plate is used to manufacture key parts such as hulls and decks to ensure the strength and corrosion resistance of ships.
Chemical Industry: P355GH steel plate is widely used in the manufacturing of various chemical reactors and equipment in the chemical industry, such as distillation towers and reactors.
Nuclear Industry: In the nuclear industry, P355GH steel plate plays an important role in the manufacturing and maintenance of nuclear reactors due to its stable chemical properties and good thermal stability.
Heavy Equipment Manufacturing: P355GH steel plate is also widely used in the manufacturing of various heavy equipment and large industrial facilities.
Additionally, P355GH steel plate can be used to manufacture key equipment such as steam separators, high-pressure heaters, deaerators, evaporators, and pressure stabilizers.
In summary, P355GH steel plate plays a significant role in industrial production due to its excellent mechanical properties and corrosion resistance, and it is widely used in multiple fields.