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SA516Gr.70 High Strength Steel Plate

Release Time: 2024-09-25
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Chemical Composition And Mechanical Properties

The chemical composition of SA516 Grade 70/ SA516Gr.70 is C, Mn, Si, P, S, and V. The maximum allowable content of carbon (C) is 0.30%, while the maximum allowable content of sulfur (S) is 0.035%. The maximum allowable content of phosphorus (P) is 0.035%, and the maximum allowable content of silicon (Si) is 0.15% to 0.40%.

The mechanical properties of SA516 Grade 70/ SA516Gr.70 are superior to other standard steels. The tensile strength ranges from 485-620 Mpa, and the yield strength ranges from 260-330 Mpa. The elongation at break is greater than 17% in 200mm, and the impact toughness at -46℃ is greater than 35J. These excellent mechanical properties ensure the safety and reliability of pressure vessel applications.

High Strength Steel Plate

Features and Benefits

High strength: SA516Gr.70 steel plate is known for its excellent mechanical properties, especially at high temperatures can still maintain good strength and toughness, suitable for withstand high pressure and high temperature environment occasions.

Good toughness: The steel plate is subjected to a specific heat treatment process, such as normalizing and tempering treatment, to obtain the best balance of toughness and strength, ensuring that the structural integrity and safety can be maintained under extreme working conditions.

Excellent welding performance: This steel plate is easy to weld, compatible with a variety of welding materials and processes, and easy to process into a variety of complex structures and components.

Corrosion resistance: Although it is not a corrosion-resistant steel itself, its corrosion resistance in a specific environment can be significantly improved through appropriate surface treatment (such as painting, electroplating, etc.).

Good machinability: the steel plate has good plasticity and machinability, and can be formed by various cold and hot processing methods to meet diversified design needs.

SA516Gr.70 High Strength Steel Plate

Application Field

Pressure vessels: such as reactors and storage tanks in the petrochemical industry, require materials with high strength and good toughness to withstand internal pressure and external shocks.

Boiler manufacturing: including thermal power plant boilers, industrial boilers, etc., SA516Gr.70 steel plate is widely used because of its stable performance at high temperatures.

Pipeline system: especially in the pipelines of high temperature and high pressure transport media, such as steam pipelines, hot oil pipelines, etc.

Other industrial equipment: such as heat exchangers, heaters, evaporators, etc., these equipment also need materials that can operate stably at high temperatures and pressures for a long time.

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