DIN EN 13445-6:2021
未烧制压力容器 第6部分:球墨铸铁压力容器和压力部件的设计和制造要求;德文版 EN 13445-6:2021
Unfired pressure vessels - Part 6: Requirements for the design and fabrication of pressure vessels and pressure parts constructed from spheroidal graphite cast iron; German version EN 13445-6:2021