ISO 630 Gr E275D plates API Std 650 low-alloy steel tanks

How to effectively increase the service life of API Std 650 low-alloy steel tanks oil tanks? It is necessary to check and inspect the oil tank regularly in the process of use, and do a good job in the maintenance and cleaning of the oil tank. The oil tank should be inspected every 6 years. With the increase of service life, the inspection interval should be shortened. Daily maintenance and cleaning of the API Std 650 low-alloy steel tanks can prolong the service life of the oil tank. The maintenance of the API Std 650 low-alloy steel tanks mainly includes the anti-corrosion inspection of the oil tank, the maintenance of the accessories, and the cleaning of the sediment in the tank.

The design metal temperature of API Std 650 low-alloy steel tanks each component exposed to the liquid or vapor being stored shall be the lower of the following:
a)The minimum temperature to which the tank contents will be refrigerated, including the effect of subcooling at reduced pressure.
b)The minimum metal temperature anticipated when the atmospheric temperature is below the refrigerated temperature (see 4.2.1). The effectiveness of the insulation in keeping the metal temperature above the expected minimum atmospheric temperature shall be considered.

Welded steel API Std 650 low-alloy steel tanks storage tanks that are designed, manufactured and installed on the ground are classified according to the API standard system. The three API standards API Std 650 low-alloy steel tanks all adopt on-site production and installation of storage tanks.

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