API standard 650 aboveground steel oil storage tanks vertical shell joints
Under the same sealing effect, the internal API standard 650 aboveground steel oil storage tanks floating roof API 650 tank can further reduce the evaporation loss compared with the external floating roof API 650 tank. This is due to the shielding of the fixed roof and the gas phase layer between the fixed roof and the inner floating plate, which has more significant heat insulation effect than the double disc floating roof of the API standard 650 aboveground steel oil storage tanks external floating roof tank.
The hardness of the welds contacting these environments, including the heat-affected zones, shall be considered. The weld metal and adjacent heat-affected zone often contain a zone of hardness that is well in excess of a value of 22 on the Rockwell C scale and could be expected to be more susceptible to cracking than would unwelded metal. Any hardness criteria shall be a matter of agreement between the Purchaser and the API standard 650 aboveground steel oil storage tanks manufacturer and shall be based on an evaluation of the expected hydrogen sulfide concentration in the product, the possibility of moisture being present on the inside metal surface, and the strength and hardness characteristics of base metal and weld metal.
The water dissolved in the oil will be separated out from the oil stored in the API standard 650 aboveground steel oil storage tanks for a long time, and the acidic water layer will appear at the bottom of the API standard 650 aboveground steel oil storage tanks for a long time, which will accelerate the corrosion of the API standard 650 aboveground steel oil storage tanks and cause the wall thinning and even leakage. With the increase of service life, the API standard 650 aboveground steel oil storage tanks must be inspected and cleaned regularly to check the hidden danger.
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BBN company has steel plates production workshops and warehouses with a total area of more than 500,000 square meters, and the total inventory of various types of steel exceeds 1 million tons. Relying on world-leading processing equipment and storage facilities, the company has strong steel production and processing capabilities, comprehensive logistics and logistics services, ensuring that it can efficiently complete more than 1 million tons of hot rolled plates processing business each year.
Customer first, reputation first, high-quality and perfect after-sales service is the extension of our product value and an important guarantee for the interests of customers. The purpose of our API standard 650 aboveground steel oil storage tanks service quality management system is to establish and constantly improve a scientific, reasonable and efficient service quality management system, and complete the after-sales service quality guarantee work of customers fairly, accurately and timely, For our company's API standard 650 aboveground steel oil storage tanks customer service to establish a good, comprehensive, full service system.
