SA516Gr70 steel plate introduction
SA516Gr70 steel belongs to the American standard special steel plate for boilers and pressure vessels. The executive standard of SA516Gr70 steel plate is: ASME special technical conditions. If the grade is expressed as: A516Gr70 steel plate, then the executive standard will be produced in accordance with ASTM.
Introduction to the differences between ASTM and ASME
Difference: ASTM material standards are standards set by the American Society for Testing and Materials, while ASME is the standard of the American Society of Mechanical Engineers; ASTM materials become ASME materials after they are approved by ASME for use in pressure-bearing equipment. Most ASME material standards refer to ASTM. of. Materials in ASME standards begin with SA, while materials in ASTM standards begin with A. The ASME standard clearly states whether it is equivalent to ASTM. In addition, ASME has more material inspection items than ASTM.
ASTM is responsible for setting and reformulating standards for all types of new and old materials. Because it is the Testing and Materials Association. ASME selectively absorbs and selects these standards for use in related projects, and makes revisions and improvements. Because they are engineers. As far as I know, ASME itself does not have its own material standards. This is why most project materials must be ASME approved. These standards are of course based on the original standards of the Materials Association.
2. Introduction to the uses of SA516Gr70 steel plate
Widely used in petroleum, chemical industry, power stations, boilers and other industries to manufacture reactors, heat exchangers, separators, spherical tanks, oil and gas tanks, liquefied gas tanks, nuclear reactor pressure shells, boiler steam drums, liquefied petroleum gas and cylinders, hydropower stations High-pressure water pipes, turbine volutes and other equipment and their components.
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