EN 10025 grade S275 plates API standard 650 flat-bottom tanks

After using for a certain period of time, it is necessary to check the corrosion protection of the metal oil tank and paint the outer wall of the API standard 650 flat-bottom tanks with anti-corrosion paint. The inlet and outlet valves of API standard 650 flat-bottom tanks shall be inspected and maintained regularly to ensure they are in good condition. Oil tank will produce a lot of dirt when it is stored for a long time. Usually, the cleaning cycle of metal oil tank is about three to five years.

API 620 Crude Oil Tank Pneumatic Pressure
An air pressure equal to 1.25 times the pressure for which the vapor space is designed shall be applied to the enclosed space above the water level. In the case of a double-wall tank with an open-top inner tank, where the air pressure acts against the outer tank and the inner tank is thus not stressed by the air pressure, the inner API standard 650 flat-bottom tanks may be emptied of water before the pneumatic pressure test begins. The test pressure shall be held for 1 hour.

The effect of air pressure on the API standard 650 flat-bottom tanks tank walls of the API 650 tank must be considered when the design pressure is greater than 2 kPa.The fixed point method can be used to design the tank wall of atmospheric or micro internal pressure API standard 650 flat-bottom tanks storage tank.

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Hot rolled plates are known for their superior mechanical properties over commodity grades of merchant bar. The hot rolled API standard 650 flat-bottom tanks plates products are made to specific chemistry and mechanical properties ranges, allowing them to be used in engineered applications. Resulting shafts, axles, and gears can be used in the automotive API standard 650 flat-bottom tanks industry and agriculture equipment. A36 mild steel has good strength, formability, and excellent welding properties. We also can supply welding, fabricating, and bending service.