ASTM A27 grade 415-205 floating roofs API Std 650 mechanically-anchored steel tanks

The company has a perfect after-sales service system and quality assurance system The company adheres to the service principle of "all for users", and has established a professional after-sales service team In the future service process, the after-sales service adopts regular return visit for customers Timely understand the customer's satisfaction with our products, and solve the user's problems at any time,API Std 650 mechanically-anchored steel tanks. Visual InspectionUpon completion of all the foregoing tests, the pressure in the tank shall be released and a thorough visual inspection shall be made of both the inside and outside of the tank, giving particular attention to all internal ties, braces, trusses, and their attachments to the walls of the tank. Anchors shall be checked for snug tightness and adjusted if required. Anchor threads shall be fouled by peening or tack welding to prevent loosening. In lieu of thread fouling, double nuts may be used.Rate of Water Filling and Water TemperatureThe rate at which water is introduced into a tank for a hydrostatic test shall not exceed 3 ft of depth per hour. The foundation, venting equipment, or other conditions may limit the water filling to a lower rate. Pressure shall not be applied above the surface of the water before the tank and its contents are at about the same temperature.API 650 sets minimum requirements for the design, material, construction, and testing for aboveground, open and closed-top, cylindrical API Std 650 mechanically-anchored steel tanks steel storage tanks in different capacities and sizes, roughly equating to the pressure of the atmosphere (not greater than the weight of the roof plates).The company attaches great importance to the value of iron and steel, constantly improving itself in terms of attitude, innovation, human resources, etc., integrating the value of iron and steel into the company's philosophy, showing the spirit of fighting for API Std 650 mechanically-anchored steel tanks iron and steel, forging iron and steel enterprise, creating steel market, establishing iron and steel team, and attaching importance to the sustainable development of iron and steel industry, so as to make iron and steel our permanent cause.The most popular standards for API Std 650 mechanically-anchored steel tanks are API Std 650, JIS B8501, BS2654, GB50341, etc. The formulas used in each standard are derived from the hoop stress calculation formula of membrane theory. Combined with the stress characteristics of API Std 650 mechanically-anchored steel tanks, plus the allowable stress, weld coefficient and additional wall thickness, the wall thickness calculation formula is complete. The allowable stress and weld coefficient are determined according to the material performance characteristics and construction technology level of each country. According to different API Std 650 mechanically-anchored steel tanks standards, the calculation results of tank wall thickness are sometimes quite different.