5456 aluminum pipe API standard 650 welded tanks for oil storage
API 650 petroleum storage tank has the advantages of high safety: the API standard 650 welded tanks for oil storageinner floating plate floats on the liquid surface, so that the liquid phase has no evaporation space, which can reduce the evaporation loss by 85% to 90%. At the same time, the API 650 petroleum storage tank blocks the air and liquid storage through the floating disk, which reduces air pollution and reduces the degree of fire risk.
The {keyword shell that contains the liquid shall have butt-welded annular bottom plates with a radial width that provides at least 24 in. between the inside of the shell and any lap-welded joint in the remainder of the bottom and at least a 2-in. projection outside the shell. The stated values apply to full-sized specimens. For sub-size specimen acceptance criteria, see ASTM A20. An impact test temperature lower than the design metal temperature may be used by the API 620 large welded, low pressure storage tanks Manufacturer.
Deformation of the welding seam of the API standard 650 welded tanks for oil storage is a common quality problem during the actual use of the API standard 650 welded tanks for oil storage, which easily causes the tank body to leak and affects the safety of the oil storage tank. The welding seam deformation of the API standard 650 welded tanks for oil storage is mainly caused by the lack of reserved welding seam gap and irregular operation. The oil storage tank has not reserved the corresponding weld gap, resulting in deeper root removal during the front welding activity. The heat output of the weld will increase under the influence of a long time, and the deformation of the weld will gradually become serious.
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