The stainless steel oil storage tank is a container for storing oil products. The main facilities of the oil depot. It is the oil source interface of oil pipeline in pipeline transportation. According to the building characteristics, it can be divided into aboveground oil tanks, underground oil tanks and cave oil tanks. The transfer oil depot, distribution oil depot and enterprise affiliated oil depot should generally use aboveground oil tanks, while the storage oil depot and military oil depot with strategic significance often use cave oil tanks, underground oil tanks and semi underground oil tanks. According to the material, it can be divided into non-metallic oil tank and metal oil tank. Non metal oil tanks include reinforced concrete oil tanks, oil resistant rubber soft oil tanks, glass fiber reinforced plastic oil tanks and plastic oil tanks used in military field oil depots. According to the shape, metal oil tanks can be divided into vertical cylindrical, horizontal cylindrical and spherical tanks. Metal oil tanks are widely used because of their low cost, no leakage, convenient construction and easy maintenance.