A841 Gr B plates API standard 650 self-anchored flat-bottom steel tanks

API 650 is the standard for welded tanks for oil storage. It specifies the API standard 650 self-anchored flat-bottom steel tanks design, manufacturing, welding, inspection and installation requirements of oil tanks. API 650 is widely used in storage tanks with internal pressure less than or equal to 2.5 PSI.

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No matter what type of storage tank needs to be built, the natural conditions of the geographical area where the tank is located should be fully considered in the design. Because natural conditions will affect the service life, storage safety and construction cost of storage tanks such as API standard 650 self-anchored flat-bottom steel tanks. Generally, the natural conditions that need to be considered before API standard 650 self-anchored flat-bottom steel tanks design and construction are: regional temperature, wind load, snow load, ground endurance, external environment corrosion, etc.