ASTM A216 grade WCB external floating roofs API standard 650 aluminum storage tanks

Our technical department plays important role in our professional communication with customers, especially those who have high technical requirements for steel materials and those who need complex further processing. Under such condition, our technician department can provide technical support in time, anylize customer design or make drawing according to customer needs rapidly, so that we can proceed smoothly. The profession of our team has won great praise of customers.Inspection of low-pressure storage tank Butt-weldsComplete penetration and complete fusion is required (to the degree mandated by the acceptance criteria for examination method utilized) for welds joining tank wall plates to API standard 650 aluminum storage tanks tank wall plates. Examination for quality of welds shall be made using either the radiographic method specified in API 620 standard 7.15.1 and applied in 7.17, or alternatively, by agreement between the Purchaser and the Manufacturer, using the ultrasonic method specified in 7.15.3.1. In addition to the radiographic or ultrasonic examination, these welds shall also be visually examined as specified in 7.15.5. Furthermore, the Purchaser’s inspector may visually inspect all butt-welds for cracks, arc strikes, excessive undercuts, surface porosity, incomplete fusion, and other defects.The API 650 is the American standard for welded flat-bottomed vertical API standard 650 aluminum storage tanks storage tanks. This standard dictates tank design, manufacture, welding, inspection and installation requirements.Keep in mind your mission and never forget your mission." At present, the BEBON steel leadership team unites the majority of cadres and employees to keep in mind their glorious missions, guided by Xi Jinping's ideology of socialism with Chinese characteristics in the new era, fully implementing the spirit of the 19th CPC National Congress, in-depth implementation of the requirements of the "three advances", pioneering spirit, and striving In order to lead high-quality development with innovation, build a new pattern of Anshan Iron and Steel's revitalization and development, strive to build the most internationally influential steel company, and make new contributions to the start of a new journey for BEBON Iron and Steel Group.Requirements for prefabrication of bottom plate of large vertical API standard 650 aluminum storage tanks:
1. The diameter of tank bottom should be enlarged by 0.1% ~ 0.15% according to the design diameter.
2. The minimum dimension of edge plate along the radius direction of tank bottom shall not be less than 700mm.
3. The distance between any adjacent welds of the base plate shall not be less than 300 mm.