Butt-welding pipe fittings - Part 3: Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements; German version EN 10253-3:2008— 47 стр.
Butt-welding pipe fittings - Part 3: Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements; German version EN 10253-3:2008, Corrigendum to DIN EN 10253-3:2009-02— 2 стр.