• Hydrogen Technologies Standards form the basic framework for market ramp-up

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  • Climate change Standards and specifications support climate targets

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  • Smart Farming Standards and specifications are drivers for the digitalization of agriculture

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Projects of CEN/TC 23/WG 11

Document number Begin Title Comment
DIN EN ISO 9809-4 2023-10-13 Gas cylinders - Design, construction and testing of refillable seamless steel gas cylinders and tubes - Part 4: Stainless steel cylinders with an Rₘ value of less than 1 100 MPa (ISO/FDIS 9809-4:2025); German version FprEN ISO 9809-4:2025 More  Comment 

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