API Spec 12D涵盖了垂直、圆柱形、地上、封闭顶部、焊接钢制储罐的材料、设计、制造和测试要求，其内部压力约为大气压力，各种尺寸和容量从500桶到10000桶不等。本规范所涵盖的储罐采用已建立的工程计算进行设计，以确定每种尺寸的充水储罐的最小金属厚度和螺栓规格。本规范旨在为石油生产行业提供足够安全和合理经济的储罐，用于储存原油和其他通常由行业生产部门处理和储存的液体。 本规范旨在为石油生产行业提供足够安全和合理经济的储罐，用于储存原油和其他通常由行业生产部门处理和储存的液体。

API Spec 12D covers material, design, fabrication, and testing requirements for vertical, cylindrical, aboveground, closed-top, welded steel storage tanks with internal pressures approximately atmospheric at various sizes and capacities, ranging from 500 to 10,000 barrels.Tanks covered by this specification have been designed using established engineering calculations to determine minimum metal thickness and bolting specifications for each size tank filled with water. This specification is designed to provide the oil production industry with tanks of adequate safety and reasonable economy for use in the storage of crude petroleum and other liquids commonly handled and stored by the production segment of the industry. This specification is designed to provide the oil production industry with tanks of adequate safety and reasonable economy for use in the storage of crude petroleum and other liquids commonly handled and stored by the production segment of the industry.