API 650 mechanically-anchored flat-bottom tanks qualification of welders

API 650 is the standard for welded tanks for oil storage. It specifies the API 650 mechanically-anchored flat-bottom tanks design, manufacturing, welding, inspection and installation requirements of oil tanks. API 650 is widely used in storage tanks with internal pressure less than or equal to 2.5 PSI.

Surface Inspection of low-pressure storage tank Component PartsBefore assembly, unless already so certified by shop inspectors, all sidewall plates or sections and roof and bottom plates shall be inspected for thickness, freedom from injurious defects, and soundness of any welded joints.Check of Dimensions of API 650 mechanically-anchored flat-bottom tanks Component PartsAll formed plates and curved sections shall be checked for conformance with the planned dimensions and cross section. For unusual repairs the inspector should keep a record of measurements taken at sufficient intervals to constitute a satisfactory record.Check of Chemical and Physical Property DataThe inspector shall check the material being assembled by the lists of the plates from the mill, their heat numbers, chemical analyses, and mechanical properties as given on mill reports and shall see that copies are available to be attached to the Manufacturer’s report.

Our company will set up a full-time service engineer for the project, who is responsible for the interface and coordination of technical support and after-sales service of the API 650 mechanically-anchored flat-bottom tanks project. In response process of customer service center, in case of technical support and after-sales service demand, the user shall contact the full-time engineer of API 650 mechanically-anchored flat-bottom tanks customer service center, and the technical personnel will give corresponding answers and on-site treatment according to the needs of users.