5456 aluminum pipe API 650 unanchored tanks

Allowable Design Stresses
The maximum allowable design stresses for the API 650 unanchored tanks materials outlined in Q.2.1 shall be in accordance with Table Q-3.The values for the allowable design tensile stress given in Table Q-3 for materials other than bolting steel are the lesser of (a) 331/3% of the specified minimum ultimate tensile strength for the material or (b) 662/3% of the specified minimum yield strength, but they are 75% of the specified minimum yield strength for the stainless steel, nickel alloy, and aluminum materials. Allowable test stresses are based on the limitation of API 620 oil tank storage standard Q.8.1.3.The Standard has gained international recognition and is the standard of choice of most builders of large liquid above ground API 650 unanchored tanks storage tanks. One reason for this is that the API 650 Standard was created and is revised by API committees comprised of the world s best tank structural engineers who also rely on the experience of tank owners and tank construction companies.In year 2015, we ship 750 tons H beam to Pakistan for our old customer for building use. Because of urgent demand, the H beams are partial shipment by bulk vessel. Due to strong support of our customer, we also export many C channel steel, API 650 unanchored tanks I beam and other profile steel to local market.Usually, the wind load in the API 650 unanchored tanks construction area should be considered before the tank design and construction. The wind load in the API 650 unanchored tanks construction area has an impact on the stability and economy of the API 650 unanchored tanks. In the area with large wind load, it is safe to design the tank as "squat". When calculating the wind force, the influence of the thickness of the insulation layer of the API 650 unanchored tanks, the shape of the ladder, the platform, the pipeline and the top cover must be considered.The company strengthens process management and pays attention to assessment. One of the key points of good service is to strengthen the process management and improve the evaluation mechanism. Make the after-sales service system more perfect and provide better service for customers.