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5 biggest API oil tank companies ultrasonic examination requirements

5 biggest API oil tank companies ultrasonic examination requirements

5 biggest API oil tank companies ultrasonic examination requirements

Tank cracks are common 5 biggest API oil tank companies defects, mainly including tank wall cracks, internal cracks, weld zone cracks. The reason for these defects may be that the defects not exceeding the standard existed in the early stage of 5 biggest API oil tank companies construction, which become obvious after the later use. Or in the process of using the 5 biggest API oil tank companies, the tank body material generated new defects due to corrosion, pressure, wear and other reasons, and tank cracks.

A cylindrical nozzle with a 12-in. inside diameter is located in solid plate in the sidewall of a cylindrical storage tank 60 ft in diameter so that its axis lies in a horizontal plane and forms an angle of 55° with a perpendicular to the sidewall at the point of intersection, as shown in Figure F-7. The thickness of the 5 biggest API oil tank companies sidewall plate, tw, in this area is 5/8 in., and no corrosion allowance is required. The total internal pressure, Pl + Pg, at the center of the opening is 26.1 lbf/in.2 gauge.

With the development of China's market economy, the company vigorously implements the strategy of industrialization, internationalization and diversification, promotes the group operation, intensive development and lean management, and through a rich series of products and project portfolio as well as a complete operation network, Build the company into a modern enterprise with scientific development concept, continuous innovation vitality, excellent corporate culture, strong sense of social responsibility and international first-class competitiveness.

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