EN S355 plates API Std 650 unanchored liquid-storage tanks

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No matter what type of storage tank needs to be built, the natural conditions of the geographical area where the tank is located should be fully considered in the design. Because natural conditions will affect the service life, storage safety and construction cost of storage tanks such as API Std 650 unanchored liquid-storage tanks. Generally, the natural conditions that need to be considered before API Std 650 unanchored liquid-storage tanks design and construction are: regional temperature, wind load, snow load, ground endurance, external environment corrosion, etc.

Materials for API Std 650 unanchored liquid-storage tanks primary components shall comply with the requirements of Tables R-1 and R-2. All primary components shall be impact tested in accordance with R.2.1.2 through R.2.1.4. Impact testing of API 620 welded storage tanks plates, including structural members made of plate, shall comply with Table R-1. Impact test specimens shall be taken transverse to the direction of final plate rolling.