API standard 650 self-anchored storage tanks service gaskets
API 650 petroleum storage tank stipulates that if the thickness of the lower siding obtained by calculating the anti-overturning moment is greater than the thickness of the API standard 650 self-anchored storage tanks hydrostatic pressure test (both do not include the corrosion margin), the calculated thickness of the above siding required by the hydrostatic pressure is It should also be increased by the same proportion, unless special analysis is performed to determine the seismic overturning moment and corresponding stress at the bottom of each layer of API 650 petroleum storage tank wall.
API 620 crude oil tank piping materials made according to ASTM A333 and A350 may be used at API standard 650 self-anchored storage tanks design metal temperatures no lower than the impact test temperature required by the ASTM specification for the applicable material grade without additional impact tests. For temperatures below those allowed by the ASTM specification, the following paragraph shall apply.
Generally speaking, the duration of the "exhalation" of the API standard 650 self-anchored storage tanks is longer than that of the "inhalation" of the API standard 650 self-anchored storage tanks every day. There are many factors affecting the "small breathing" loss, mainly including the following points: the change of temperature difference between day and night, sunshine time of the API standard 650 self-anchored storage tanks location, open area of the API standard 650 self-anchored storage tanks, atmospheric pressure, filling degree of API standard 650 self-anchored storage tanks, etc. When the API standard 650 self-anchored storage tanks is full of gas, the space volume is small, and the "small breathing" loss is less; if the space volume is large, the loss is also large.
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Tianjin warehouse mainly stores steel plates and steel pipes. The monthly replenishment is about 12000 tons. Our inventory cycle is short and flexible. Shanghai warehouse mainly stores API standard 650 self-anchored storage tanks ,steel plate and section steel. The average monthly purchase volume is about 15000 tons. The geographical location of the warehouse has greatly improved our performance in terms of transportation and delivery time.
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