API Std 650 storage tank non-removable legs

Aftershock Level Earthquake (ALE)
This design case shall be applicable only when regulations or project documents specifically require the tank system to be designed or evaluated for aftershocks.
If the outer tank is not designed as a secondary containment (i.e. it serves as vapor barrier and pressure boundary only and is not constructed of API 620 material suitable for the inner tank API Std 650 storage tank), then no design or evaluation for ALE is required by these provisions for the inner or outer tank.The API Std 650 storage tank most widely used and most commonly used standard for global storage tank construction and procurement is API 650. The Chinese translation name is "AP1650 Steel Welded Petroleum Storage Tank". API 650 storage tank is for commonly used oil, gasoline, diesel, chemical and production water storage, etc.In October 19th 2018, our Malaysia customer purchased 600 Tons CCS Grade AH36 mairne steel API Std 650 storage tank plates to use in their shipbuilding project .This customer is a famous shipyard company in Malaysia. Their company has the business scope of tourism, shipbuilding, transportation and so on. As a terminal manufacturer, they have strict requirements on quality for CCS Grade AH36 mairne steel plates. After visiting our steel milll, the customer is very satisfied with the quality of this batch of CCS Grade AH36 steel plates.Inspection of API Std 650 storage tank bottom: magnetic flux leakage scanning technology is used to detect the corrosion condition of API Std 650 storage tank bottom plate (such as corrosion depth and area, crack length, etc.). When there is a defect in the bottom plate of the API Std 650 storage tank, the magnetic field distribution will change and the sensor can detect it. The bottom of the oil tank should be free of foreign matters and dry during testing. Weld inspection of API Std 650 storage tank bottom plate: when vacuum leak test method is used to detect the tightness of oil tank bottom plate, soap water shall be applied to the weld and vacuum box shall be covered for observation.Relying on the background of high-quality steel resources and its own strong steel machining capabilities, BBN comany can not only supply various steel material products, such as steel coils, steel plates, API Std 650 storage tank sheet, steel pipes, and shaped steels, but also provide a variety of steel deep processing services like cutting, welding and grinding. Through continuous technological innovation and after-sales service optimization, the company has its own world on the domestic and international steel industry stage!