This standard specifies all-welded vertical cylindrical storage tanks made of steel, with a fixed roof, a floating roof, or a floating roof with a fixed roof, which have sufficient bearing capacity to support the stone extraction storage tank, and which are tradeable. The main body is welded and assembled on the ground with a suitable foundation, and a storage tank (hereinafter referred to as a storage tank) stores liquid petroleum or a similar liquid at a temperature above atmospheric temperature and under atmospheric pressure. ).