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JIS G 3103 SB 450 steel is a Japanese standard carbon steel plate designed for boiler and pressure vessel applications. It possesses high strength, good toughness, and excellent weldability, making it suitable for manufacturing pressure vessels, boilers, petrochemical equipment, and more.
Characteristics
High Strength: The yield strength of SB 450 steel plate is not less than 450 MPa, and its tensile strength ranges from 770 to 930 MPa. This enables it to withstand harsh environments such as high pressure and high temperature, ensuring the safe operation of equipment.
Good Toughness: The steel plate exhibits good toughness, allowing it to maintain a stable shape and performance when subjected to external forces, and is less prone to fracture or deformation.
Excellent Weldability: SB 450 steel plate is easy to weld, and the properties of its welded joints are stable and reliable, meeting the needs of various complex manufacturing processes.
Corrosion Resistance: In a variety of corrosive media, SB 450 steel plate can maintain stable performance, extending the service life of equipment.
Multiple Delivery Conditions: SB 450 steel plate is typically delivered in a hot-rolled condition but can also be delivered in other conditions according to user requirements, such as normalized or tempered, to meet the needs of different application scenarios.
Applications
Boiler and Pressure Vessel Manufacturing: SB 450 steel plate is commonly used in the manufacture of boilers, pressure vessels, furnace shells, pressure components, pressure pipelines, heads, reactors, and other equipment, capable of withstanding harsh environments such as high temperature and high pressure.
Petroleum and Chemical Equipment: In the petroleum and chemical industries, SB 450 steel plate is often used to manufacture various petrochemical equipment, such as heat exchangers, liquefied storage tanks, nitrogen tanks, and ultra-supercritical equipment.
Construction Field: It can be used in the manufacture of steel structures for high-rise buildings, large factories, stadiums, etc., ensuring the strength and stability of building structures.
Bridge Field: It is suitable for the manufacture of large highway bridges, railway bridges, and overpasses, withstanding the impact of traffic loads and natural environments.
Shipbuilding Field: It can be used to manufacture hull structures, decks, bulkheads, and other components, ensuring the safety performance of ships during navigation.
Vehicle Manufacturing: It can be used to manufacture automotive frames, chassis, carriages, and other components, improving the load-bearing capacity and driving stability of vehicles.