DIN EN 10253-4 : 2008现行
BUTT-WELDING PIPE FITTINGS - PART 4: WROUGHT AUSTENITIC AND AUSTENITIC-FERRITIC (DUPLEX) STAINLESS STEELS WITH SPECIFIC INSPECTION REQUIREMENTS
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
This standard is included in DIN Handbook 62-1, 384 and 384/1.
NEN EN 10253-4 : 2008 C1 2009 - Identical
NF EN 10253-4 : 2009 - Identical
EN 10253-4 : 2008 COR 2009 - Identical
BS EN 10253-4 : 2008 - Identical
NF EN 10253-4 : 2009 - Identical
NEN EN 10253-4 : 2008 C1 2009 - Identical
BS EN 10253-4 : 2008 - Identical
