This standard specifies the product structure, specifications and markings, general requirements, requirements, test methods, inspection rules and marking, packaging, transportation, storage and factory certificates of steel-glass fiber reinforced plastic double-layer buried oil storage tanks. This standard is applicable to the storage of gasoline under normal pressure with steel as the inner shell and glass fiber reinforced plastic molded by the injection process as the outer shell. A leak detector is installed in the gap formed between the inner shell and the outer shell. The filling coefficient is 0.9. Double-layer buried oil storage tanks for ethanol gasoline, diesel, aviation kerosene, and aviation gasoline (hereinafter referred to as S/F double-layer oil tanks).