API 650 aboveground welded storage tanks resistance to design loads
API 650 is the standard for welded tanks for oil storage. It specifies the design, manufacturing, welding, inspection and installation requirements of oil tanks. API 650 API 650 aboveground welded storage tanks is widely used in storage tanks with internal pressure less than or equal to 2.5 PSI, used to store products such as crude oil, gasoline, chemicals, and produced water. BBN has extensive experience in API 650 aboveground welded storage tanks API 650 tanks with diameters between 8'-300', suitable for refineries, terminals, pipeline facilities and other customers.
As we know, the vertical metal tank, API 650 aboveground welded storage tanks is welded by many components, and the welding quality of each component determines the later use effect of the API 650 aboveground welded storage tanks. Professional API 650 aboveground welded storage tanks manufacturers should have a set of professional skills in the welding process of API 650 aboveground welded storage tanks. Key points for weld inspection of vertical metal tank, API 650 aboveground welded storage tanks: 1. It is strictly forbidden to paint the welds before passing the inspection. 2. Visual inspection shall be carried out for welds. 3. NDT shall be carried out on the weld.
When the API 650 aboveground welded storage tanks top shell course is the minimum thickness indicated in 5.10.4, Table 5-6 and Figure 5-6, details a – e, h and i, the minimum anchorage shall be designed for normal loads as specified by the Purchaser and by this standard. See 5.11.2.3 for the allowable stress. When the top shell course is thickened beyond the minimum thickness provided in Table 5-6 or as in Figure 5-6, details f and g, or a knuckle is used, the minimum anchorage shall be designed for three times the internal design pressure. The allowable stress for this loading is 90% of the minimum specified yield strength of anchorage material.
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