API 650 mechanically-anchored tanks mixer components

In the event of continuous heavy rainfall, the inspection of the API 650 mechanically-anchored tanks farm should be strengthened to monitor and pay close attention to the soil moisture content of the tank farm in order to quickly take emergency measures. Check whether the seals of the oil unloading port and the oil measuring port are in good condition in time to prevent rainwater from leaking into the API 650 mechanically-anchored tanks from the oil unloading port and the oil measuring port, which will affect the oil quality.

Production Weld Tests
Production weld test plates shall be welded for API 650 mechanically-anchored tanks primary-component butt-welded shell plates when welding procedure qualifications are required to be impact tested per Q.6.2 and Q.6.3. The number of production weld tests shall be based on the requirements of Q.6.6.3 and Q.6.6.4. The locations impact tested (i.e., HAZ and/or weld deposits) shall likewise be the same as required for weld procedure qualifications per Q.6.2 and Q.6.3. Weld testing shall be in accordance with Q.6.6.5. Test plates shall be made from plates produced only from the heats that are used to produce the shell plates for the large welded steel tank.

This standard establishes minimum requirements for API 650 tank material, API 650 mechanically-anchored tanks design, fabrication, erection, and inspection for ertical. aboveground，closed- and open-top.