API standard 650 ground-supported liquid storage tanks fixed legs

The API 650 is the American standard for welded flat-bottomed vertical API standard 650 ground-supported liquid storage tanks storage tanks. This standard dictates tank design, manufacture, welding, inspection and installation requirements.

Thickness as it Affects Preheat and Post-heat Requirements
Plate with thicknesses below 1/2 in. is reasonably notch tough. In most steels, when the API standard 650 ground-supported liquid storage tanks used plate thickness exceeds 3/4 in. – 1 in., notch toughness, particularly as welded, decreases sharply. The decrease in notch toughness can be minimized by the conventional post-heat treatment and, in many steels, by preheat treatment. The benefits of preheat treatment in steels 3/4 in. – 1 in. thick have been demonstrated; similar benefits could be expected in thicker steels, but sufficient experimental data are currently lacking.

The normal operation of API standard 650 ground-supported liquid storage tanks includes receiving oil, storing oil, sending oil and measuring oil. The correct use and operation of oil storage tank is directly related to the production safety and oil loss of oil tank. In order to use and operate the API standard 650 ground-supported liquid storage tanks correctly, it is necessary to be familiar with and master the structure and performance of the API standard 650 ground-supported liquid storage tanks and its accessories, such as the maximum storage capacity of the oil tank, the pressure range that can bear and the safety fabrication specification.

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