NEN EN 4557 : 2003
Current
Current
The latest, up-to-date edition.
AEROSPACE SERIES - PIPE COUPLING 37 DEGREE, SPHERICAL, IN HEAT RESISTING STEEL - TEES NIPPLES, WELDED END - INCH SERIES
Published date
12-01-2013
Publisher
Foreword
1 Scope
2 Normative references
3 Required characteristics
3.1 Configuration - Dimensions - Tolerances - Masses
3.2 Materials
4 Designation
5 Marking
6 Technical specification
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