A573 grade 65 plates API Std 650 floating-roof tanks

Our after sales department is an very important part of our department structures. After the customer receive steel materials, our after sales department will follow up regularly and solve problems for them in time if they have the needs. We romise to return the goods for free for its lifetime if it is quality of the steel material itself. Meanwhile, if you have any advice or complaints, also welcome to feed back to our after sales department, and we are trying to give better service to you.

The water dissolved in the oil will be separated out from the oil stored in the API Std 650 floating-roof tanks for a long time, and the acidic water layer will appear at the bottom of the API Std 650 floating-roof tanks for a long time, which will accelerate the corrosion of the API Std 650 floating-roof tanks and cause the wall thinning and even leakage. With the increase of service life, the API Std 650 floating-roof tanks must be inspected and cleaned regularly to check the hidden danger.

Welding of Large Steel storage tank Primary Components
a)Longitudinal and circumferential shell joints and joints that connect the API Std 650 floating-roof tanks annular bottom plates together.
b)Joints that connect sections of compression rings and sections of shell stiffeners together. Backup bars may be used for these joints with complete penetration and complete fusion detail.
c)Joints around the periphery of a shell insert plate.
d)Joints that connect the shell to the bottom, unless a method of leak checking is used (see Q.8.2.1).