API Std 650 stainless and carbon steel tank pontoon design

API 620 Crude Oil Tank Non-pressure Parts
Welds for pads, lifting lugs, and other nonpressure parts, as well as temporary lugs for alignment and scaffolding attached to primary components, shall be made in full compliance with a welding procedure qualified in accordance with Q.6.1. Lugs attached for erection purposes shall be removed, and any significant projections of API Std 650 stainless and carbon steel tank weld metal shall be ground to a smooth contour. Plate that is gouged or torn in removing the lugs shall be repaired using a qualified procedure and then ground to a smooth contour. Where such repairs are made in primary components, the area shall be inspected by the liquid-penetrant method. A visual inspection is adequate for repairs in secondary components.

API 650 external floating roof storage tanks are generally called external floating roof API Std 650 stainless and carbon steel tank tanks, which means that the storage tanks are externally open tanks without a dome design, and are equipped with vertical floating roofs. API 650 external floating roof storage tanks are usually used for large More than 20,000 cubic meters of open steel API Std 650 stainless and carbon steel tank storage tanks for storing volatile petroleum products such as crude oil, gasoline, kerosene, etc.

The preparatory work before the construction of the API Std 650 stainless and carbon steel tank is directly related to the quality assurance, project progress, construction safety and other aspects of the entire oil tank project. Therefore, the preparation work before the API Std 650 stainless and carbon steel tank construction should be paid attention to and planned. Before API Std 650 stainless and carbon steel tank construction, you need to prepare conventional machinery, materials, and facilities, as well as the quality control of the project, such as the installation method of the API Std 650 stainless and carbon steel tank, the welding method of the steel plate, and the inspection of the tank material. In addition, there is the most important item, construction safety protection.