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SA516Gr485 steel plate introduction
1. SA516Gr485 steel plate is a steel plate for pressure vessels produced in accordance with the American standard SA516/A516M. This kind of steel plate is delivered in a hot-rolled state, with a production thickness between 8mm and 250mm. It is commonly used in the manufacture of medium and high temperature pressure vessels, such as heat exchangers, petroleum machinery, as well as containers and chemical storage tanks.
2. The chemical composition of SA516Gr485 steel plate mainly includes carbon, manganese, phosphorus, sulfur and silicon, while its mechanical properties include tensile strength, yield strength and elongation after fracture.
3. The flaw detection standard of this kind of steel plate should be carried out in accordance with the American ultrasonic flaw detection standard A578/A578M. The flaw detection level is represented by three English letters A, B and C respectively.
2. Chemical composition and performance parameters of SA516Gr485 steel plate:
chemical composition
SA516Gr485 steel plate--carbon (C): ≤0.30
SA516Gr485 steel plate--Manganese (Mn): 0.79-1.30
SA516Gr485 steel plate--phosphorus (P): ≤0.035
SA516Gr485 steel plate--Sulfur (S): ≤0.035
SA516Gr485 steel plate--Silicon (Si): 0.13-0.45
Performance parameters:
Tensile strength: ≥482MPa
Yield strength: ≥315MPa
Elongation after break: ≥21%
3. What is the difference between SA516Gr485 steel plate and the national standard?
1. The main difference between SA516Gr485 steel plate and the national standard lies in the implemented standard system and specific technical requirements. SA516Gr485 steel plate implements the American standard SA516/A516M standard, while the national standard is the national standard of the People's Republic of China (GB).
2. There may be certain differences between the two in terms of chemical composition, mechanical properties, flaw detection standards, etc. Specifically, the requirements of SA516Gr485 steel plate in terms of chemical composition, tensile strength, yield strength, elongation after fracture, etc. may be different from the national standard.
3. Therefore, when using, it is necessary to select appropriate materials according to specific engineering requirements and occasions, and conduct production and inspection in strict accordance with corresponding standards.
