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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

NF L43-629 ; NF EN 4553:2003-09-01
Aerospace series - Pipe coupling, 37 o, spherical, in heat resisting steel - Elbow 90 o nipples, welded end - Inch series

Title (German)

Luft- und Raumfahrt - Rohrverschraubung mit Kugelbuchsen, 37 o, aus hochwarfestem Stahl - Winkelverschraubungen, 90 o, zum Anschweissen - Inch-Reihe

Edition 2003-09-01

Original language English , French

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Terminology

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

Climate change Standards and specifications support climate targets

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

NF L43-629 ; NF EN 4553:2003-09-01 Aerospace series - Pipe coupling, 37 o, spherical, in heat resisting steel - Elbow 90 o nipples, welded end - Inch series

Want to learn more?

NF L43-629 ; NF EN 4553:2003-09-01
Aerospace series - Pipe coupling, 37 o, spherical, in heat resisting steel - Elbow 90 o nipples, welded end - Inch series