A737 Gr B plates API Std 650 carbon and low-alloy steel tanks

For open top and fixed roof API 650 tanks, the net working capacity is the liquid volume contained between the minimum operating level (top of API 650 tanks API Std 650 carbon and low-alloy steel tanks outlet connection) and the maximum operating level [limited to the bottom of overflow connection, 75 mm below foam chamber connection, or 150 mm below rim, whichever is greater.

Oil tank accessories are an important component of metal oil tanks. Common accessories of API Std 650 carbon and low-alloy steel tanks include manholes, light holes, oil measuring holes, breathing valves, safety valves, and fire extinguishers. The functions of these accessories are different. Some are to ensure the storage quality of various oil products, some are to ensure the normal operation of oil products receiving and dispatching, and some are to ensure the safety management of API Std 650 carbon and low-alloy steel tanks, etc.

Large Low-Pressure Tanks Corrosion Allowance
In cases in which the rate of corrosion is closely predictable, additional metal thickness over and above that required for the initial operating conditions shall be provided and shall be at least equal to the expected corrosion loss during the desired life of the tank.
When corrosion effects are indeterminate before the tank is designed (although they are known to be inherent to some degree in the service for which the tank is to be used), and when corrosion is incidental, localized, or variable in rate and extent, the best judgement of the API Std 650 carbon and low-alloy steel tanks designer must be exercised in establishing reasonable maximum excess tank wall thicknesses. For all tanks that come under this classification, a minimum corrosion allowance of 1/16 in. shall be provided.

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The company has huge steel API Std 650 carbon and low-alloy steel tanks products stock all the year round to meet the urgent needs of customers. For stock products, we can arrange delivery within 3 days. The transportation department and shipping department shall coordinate and follow up to update the progress to customers regularly, i.e. where the goods have arrived, so as to let customers not worry and rest assured. Think about what the customers think and what the customers are anxious about, solve problems for customers efficiently and effectively, is the direction of our unremitting efforts.