A516 Gr 55 plates API 650 self anchored flatbottom tanks

Welded steel API 650 self anchored flatbottom tanks storage tanks that are designed, manufactured and installed on the ground are classified according to the API standard system. The three API standards API 650 self anchored flatbottom tanks all adopt on-site production and installation of storage tanks.

Before delivering our hot rolled plate product we apply various tests to check the quality of carbon steel API 650 self anchored flatbottom tanks plates such as- mechanical test, chemical test, hardness test, toughness test, eddy current test, impact test, micro test, flaring test, flattening test, etc. We are provided best packing for structural steel plates to avoid rust. Our after-sales service team will contact you if you have any question.

Facilities for API 620 Storage Tanks InspectorThe manufacturer shall afford the inspector all reasonable facilities for testing and inspection and shall provide mutually agreeable advance notification to permit the examiner to witness all tests of the equipment and materials during fabrication, including all laboratory tests of the material to be used and all hydrostatic and pneumatic tests at the site of erection.The API 650 self anchored flatbottom tanks inspector shall be permitted free access to all parts of the plant concerned with the manufacture of the tank during fabrication and to all parts of the plants of material suppliers who are concerned with the manufacture of materials to be used in the tank.

Some defects may be found after the regular safety inspection for the API 650 self anchored flatbottom tanks. The common API 650 self anchored flatbottom tanks defects are: Tank cracks, tank welding defects. The cracks on the base metal, surface and near surface of the tank wall shall be eliminated by grinding with circular arc, and then magnetic particle inspection or re inspection shall be carried out. Cracks in heat affected zone: generally, grinding method is used to eliminate cracks, and magnetic particle or dye flaw detection is used to confirm that there is no crack, and then repair welding or grinding smooth transition.