21m diameter API standard 650 aboveground oil storage tanks

Thickness as it Affects Preheat and Post-heat Requirements
Plate with thicknesses below 1/2 in. is reasonably notch tough. In most steels, when the API standard 650 aboveground oil storage tanks used plate thickness exceeds 3/4 in. – 1 in., notch toughness, particularly as welded, decreases sharply. The decrease in notch toughness can be minimized by the conventional post-heat treatment and, in many steels, by preheat treatment. The benefits of preheat treatment in steels 3/4 in. – 1 in. thick have been demonstrated; similar benefits could be expected in thicker steels, but sufficient experimental data are currently lacking.

Upon completion of construction, provide Purchaser with copies of Field Erected API standard 650 aboveground oil storage tanks Storage Tank Datasheets in accordance with Appendix L of API 650, which reflects the as-built conditions, certifying that the tank conforms with the requirements of this specification.

In 2014, we offered 175 ton Cold rolled stainless steel plate to Thailand. The API standard 650 aboveground oil storage tanks products are from TISCO. Here is the MTC that we offered to customer. We have our own quality team. Our quality team will inspect every order before shipment for customer. Normally, we will test the chemical composition, thickness, width, and length. Here are some pictures for last inspection.

Anti corrosion of API standard 650 aboveground oil storage tanks:
After using for a certain period of time, it is necessary to check the corrosion protection of the API standard 650 aboveground oil storage tanks. If necessary, the outer wall of the metal oil tank should be painted with new anti-corrosion paint to ensure that the outer wall of the API standard 650 aboveground oil storage tanks does not fall off and has good waterproof and rust resistance.
API standard 650 aboveground oil storage tanks cleaning:
The long-term use of API standard 650 aboveground oil storage tanks will produce impurities on the tank wall and deposit on the tank bottom, resulting in tank corrosion to leakage. According to the safety standard of oil tank, the API standard 650 aboveground oil storage tanks shall be cleaned and derusted regularly to ensure the quality of oil stored and the safety of oil tank equipment.

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