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ASTM A633 plates API 620 acid storage tanks

ASTM A633 plates API 620 acid storage tanks

ASTM A633 plates API 620 acid storage tanks

refrigerated tanks secondary components are those whose failure would not result in leakage of the liquid being stored. Secondary components also include those API 620 acid storage tanks components that are not in contact with the refrigerated liquid but are subject to the refrigerated temperature vapors and have a combined tensile and primary bending stress under design conditions that does not exceed 6000 lbf/in.2. Secondary components that could be designed within this reduced stress are roof plates, including roof manways and nozzles with their reinforcement, roof-supporting structural members, and shell stiffeners.

API 650 vertical tanks meet American Petroleum Industries (API) standards in design, material, fabrication, and testing of aboveground welded steel API 620 acid storage tanksstorage tanks for use in industrial applications.

Both parties shall confirm the API 620 acid storage tanks material object and the quality of the products, confirm the reasons for the defects and the quality of the products, and sign the quality inspection agreement. Major quality objections shall be reported to relevant leaders in a timely manner, and shall be discussed and solved with the API 620 acid storage tanks steel plant.

Requirements for prefabrication of bottom plate of large vertical API 620 acid storage tanks:
1. The diameter of tank bottom should be enlarged by 0.1% ~ 0.15% according to the design diameter.
2. The minimum dimension of edge plate along the radius direction of tank bottom shall not be less than 700mm.
3. The distance between any adjacent welds of the base plate shall not be less than 300 mm.

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