API Std 650 welded tanks for oil storage owner
For all API 620 crude oil tank other materials, the impact test temperature shall be at least 30°F colder than the design metal temperature. Alternately, materials impact tested at the design metal temperature or lower with Charpy impact test energy value of 25 ft-lb (average), 20 ft-lb (minimum) are acceptable for design metal temperatures above –40°F. API Std 650 welded tanks for oil storage materials with an energy value of 30 ft-lb (average), 25 ft-lb (minimum) are acceptable for design metal temperatures of –40°F or lower.
API 650 storage tank is used for commonly used oil, gasoline, diesel, chemical and production water storage. API Std 650 welded tanks for oil storage Storage tanks built to these standards are spread across U.S. refineries, terminals, pipelines, and production facilities. The API 650 detailed standard specifies the design, processing, welding, inspection and installation procedures for storage tanks.
During heavy rain, closely observe the change of the water level in the storage area of the API Std 650 welded tanks for oil storage. If the water level rises to the dangerous range, drain the water immediately. There are more thunderstorms in heavy rain, and lightning protection devices should be installed in the API Std 650 welded tanks for oil storage area to avoid lightning accidents. Observe the groundwater level of the API Std 650 welded tanks for oil storage area at any time, clean and dredge the drainage ditch in time to ensure unobstructed drainage, and prevent the bottom of the API Std 650 welded tanks for oil storage from leaking and rusting due to untimely drainage.