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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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Projects of CEN/TC 133/WG 3

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Document number	Begin	Title	Comment
DIN EN 13348 rev	2026-04-21	Copper and copper alloys - Seamless, round copper tubes for medical gases or vacuum More	Comment
DIN EN 12452	2025-09-05	Copper and copper alloys - Rolled, finned, seamless tubes for heat exchangers; German and English version prEN 12452:2026 More	Comment
DIN EN 12451	2025-09-05	Copper and copper alloys - Seamless, round tubes for heat exchangers; German and English version prEN 12451:2026 More	Comment

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

Climate change Standards and specifications support climate targets

Projects of CEN/TC 133/WG 3

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