UNI EN 10241 : 2002

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Designation
5 Information to be supplied by the purchaser
      5.1 Mandatory information
      5.2 Options
6 Technical requirements
      6.1 Fitting manufacture
      6.2 Surface condition
      6.3 Material
             6.3.1 Chemical composition
             6.3.2 Mechanical properties
      6.4 Threads
7 Dimensions and tolerances
      7.1 Dimensions
      7.2 Tolerances
             7.2.1 Tolerances on length of fitting
             7.2.2 Tolerances on diameters
             7.2.3 Tolerance on threads
8 Protection
      8.1 General
      8.2 Zinc protective coating
             8.2.1 Hot dip zinc galvanizing
             8.2.2 Electro zinc plating
             8.2.3 Zinc flake
9 Inspection and testing
      9.1 Leaktightness test
             9.1.1 Hydrostatic test
             9.1.2 Air test
      9.2 Inspection of thread
             9.2.1 Inspection method
             9.2.2 Thread electro zinc plating
10 Marking
11 Packaging
12 Inspection documents
Annex A (informative) Thread designation and nominal size

This standard specifies requirements for threaded fittings of nominal sizes from DN 6 to DN 150 inclusive, made out of welded or seamless steel tubes, forging and rolled bars.