This standard specifies the construction requirements for metal pressure vessels. This Part specifies the general requirements for materials, design, manufacture, inspection and acceptance of metal pressure vessels. The design pressure applicable to this standard: The steel vessel shall not exceed 35MPa. Containers made of other metal materials shall be determined according to the corresponding reference standards. The design temperature range applicable to this standard: Design temperature range: -269℃~900℃. Steel containers must not exceed the allowable service temperature range of materials listed in GB 150.2. Containers made of other metal materials shall be determined according to the allowable service temperature of the materials listed in the corresponding referenced standards of this part.