API 650 self-anchored tanks welding requirements

The cleanliness of the API 650 self-anchored tanks has a great influence on the safety of the tank and the quality of the oil stored. Keeping the API 650 self-anchored tanks clean can slow down the corrosion of the tank wall and reduce the pollution to the oil. If the inside of the API 650 self-anchored tanks is not cleaned all the year round, a lot of rust and metal impurities will be produced in the tank. These impurities will cause the oil to slowly oxidize and deteriorate. The impurities mixed into the oil will also block the filter and oil circuit, causing oil supply failure.

Suggested Practice Regarding Installation of Low-pressure storage tanks
Access: All openings and accessories for tanks API 650 self-anchored tanks constructed according to this standard shall be installed so that any periodic inspections required can be readily made.
Corrosion: When a tank bottom rests directly on the ground, a survey shall be made to establish the need for cathodic protection.
Drainage: All tanks in which water might accumulate under the hydrocarbon contents shall be provided with adequate drains that are suitably protected from freezing.

According to API 650 tanks, anchoring devices should be designed to transfer overturning moments to the API 650 self-anchored tanks tank foundation. At the same time, according to API 650 tank Appendix F, when the tank is to be anchored, the size of the anchoring parts is determined by the maximum lifting force caused by the internal pressure and wind load or the combination of internal pressure and seismic load.

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The strip steel thickness is generally below 6mm, which is convenient for crimping and processing. You should choose the API 650 self-anchored tanks, strip steel specifications according to your own purposes. The specifications and materials used for different purposes are different, so you must confirm it before buying. It is best to ask professionals to give advice before purchasing strip steel, and purchase the specifications and types you need according to the corresponding requirements.