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Introduction to impact properties of SA516Gr70 steel plate
SA516Gr70 steel plate introduction:
1. SA516Gr70 steel plate is a commonly used low-temperature high-strength structural steel plate. It implements ASME standards and is widely used in export pressure vessel manufacturing or plate import and export trade.
2. The production thickness of this steel plate is between 8mm and 200mm, and it is often used in the manufacture of pressure vessel pipes, vessel drums and heads.
3. The chemical composition of SA516Gr70 steel plate meets the requirements of ASTM A516/A516M standards. The main components include carbon (C), silicon (Si), manganese (Mn), phosphorus (P), sulfur (S), molybdenum (Mo) and other elements. The reasonable proportion and content of these elements determine the physical and mechanical properties of SA516Gr70 steel plate.
4. In terms of mechanical properties, SA516Gr70 steel plate has excellent performance. Its yield strength is 260MPa, tensile strength is 485-620MPa, and elongation is 21%.
5. In addition, this kind of steel plate also has good low-temperature resistance and can withstand low-temperature environments below -46°C without brittle fracture.
6. At the same time, SA516Gr70 steel plate also has good corrosion resistance and can withstand chemical corrosion such as strong acid and strong alkali.
7. In practical applications, SA516Gr70 steel plates are widely used in important fields such as petrochemical, chemical, energy, nuclear power, etc., and are often used in the manufacturing and maintenance of pressure vessels, boilers, reactors and other equipment.
8. Due to its good corrosion resistance and low temperature toughness, it is also often used in marine engineering, shipbuilding and other fields.
9. At the same time, SA516Gr70 steel plates are also widely used in automobile, machinery and other manufacturing industries, such as oil pipelines, wind turbine towers, bridge construction, etc.
Impact performance of SA516Gr70 steel plate:
SA516Gr70 steel plate has good impact properties and can show high impact energy even at lower temperatures.
At -45°C, the impact energy of SA516Gr70 steel plate is 189J, while at room temperature, its impact energy is 214J. This shows that even at lower temperatures, the impact function of SA516Gr70 steel plate can reach a very high level. This excellent impact performance is related to the characteristics of its chemical composition and mechanical properties.
