3004 aluminum shapes API Std 650 liquid-storage tanks

The main advantages of the external floating roof API Std 650 liquid-storage tanks are large storage capacity, suitable for storing more than 10000 cubic meters of crude oil. Compared with the internal floating roof API Std 650 liquid-storage tanks, the production of external floating roof API Std 650 liquid-storage tanks is simple and the steel consumption is less. However, the central drainage system of external floating roof API Std 650 liquid-storage tanks should be installed on the outer floating roof to ensure that the accumulated water can be discharged smoothly in rainy and snowy days, and avoid sinking accident.

Welding of Large Steel Storage Tank Primary Components
a)Longitudinal and circumferential shell joints and joints that connect the API Std 650 liquid-storage tanks annular bottom plates together.
b)Joints that connect sections of compression rings and sections of shell stiffeners together. Backup bars may be used for these joints with complete penetration and complete fusion detail.
c)Joints around the periphery of a shell insert plate.
d)Joints that connect the shell to the bottom, unless a method of leak checking is used (see Q.8.2.1).

API 650 internal floating roof oil tank executive standard: domestic design standard: GB50341-2003 "Vertical cylindrical steel welded oil tank design code"; domestic construction standard: GB50128-2005 "vertical cylindrical steel welded oil tank" Construction and Acceptance Specification; API Std 650 liquid-storage tanks Foreign design standard: API650-2007 "Standard for Welded Steel Petroleum Storage Tanks."

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