API 650 carbon steel storage tanks designed and constructed for elevated temperature service
Allowable compressive stresses shall be in accordance with 5.5.4 except that for aluminum alloy plate the allowable compressive stresses shall be reduced by the ratio of the modulus of compressive elasticity to 29,000 for values of (t – c)/R less than 0.0175 and by the ratio of the minimum yield strength for the aluminum alloy in question to 30,000 for values of (t – c)/R equal to or greater than 0.0175 (see 5.5.2 for definitions). In all other equations in this standard API 650 carbon steel storage tanks where yield strength or modulus of elasticity is used, such as Equations 27 and 28, similar corrections shall be made for aluminum alloys.
This standard establishes minimum requirements for API 650 tank material, API 650 carbon steel storage tanks design, fabrication, erection, and inspection for ertical. aboveground，closed- and open-top.
In Nov, 2018, our Mozambique customer purchased from BBN company 500 tons carbon steel Q235B steel structure for building 10 units of gas station. We have been cooperate more than 5 years for providing plate and pipes and API 650 carbon steel storage tanks profile as beginning, and they are very satisfied with all the received Cargo. We extend in-house cutting, welding, grinding, bending and certification and testing of our products, on client demand. If you are interested in our steel structures or steel plate price, welcome to contact us.
}The water dissolved in the oil will be separated out from the oil stored in the API 650 carbon steel storage tanks for a long time, and the acidic water layer will appear at the bottom of the API 650 carbon steel storage tanks for a long time, which will accelerate the corrosion of the API 650 carbon steel storage tanks and cause the wall thinning and even leakage. With the increase of service life, the API 650 carbon steel storage tanks must be inspected and cleaned regularly to check the hidden danger.
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