Material requirements for fixed pressure vessel production
Release time：2018-09-17 Browse：371
The quality and specifications of the materials used for pressure vessels shall comply with the national or industrial standards of the corresponding materials, and the requirements for their use shall comply with the corresponding pressures. Provisions for container product standards. The material production unit shall provide the original quality certificate to the user in accordance with the corresponding material standards and the order contract, and make a clear and firm stencil mark or other mark on the obvious part of the material, the content of which shall include the material standard number, brand number and specification. , furnace (batch) number, material production unit name (or factory standard) and inspection seal mark. The content of the material quality certificate shall be complete and clear, and shall be stamped with the quality inspection certificate of the material production unit. The production unit of the special steel plate for pressure vessels shall obtain the corresponding special equipment manufacturing license.
When the pressure vessel manufacturing unit obtains the material for the pressure vessel from the non-material production unit, it shall obtain the original material quality certificate or the inspection of the material supply unit. A valid copy of the official seal and the manager's seal. The pressure vessel manufacturing unit shall be responsible for the authenticity and consistency of the obtained materials and material quality certificates for pressure vessels.
