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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 A49-170-4 ; NF EN 10253-4:2009-03-01
Butt-welding pipe fittings - Part 4: wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements

Title (German)

Formstücke zum Einschweissen - Teil 4: Austenitische und austenitisch-ferritische (Duplex-)Stähle mit besonderen Prüfanforderungen

Edition 2009-03-01

Original language French

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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 A49-170-4 ; NF EN 10253-4:2009-03-01 Butt-welding pipe fittings - Part 4: wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements

Want to learn more?

NF A49-170-4 ; NF EN 10253-4:2009-03-01
Butt-welding pipe fittings - Part 4: wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements