NBN EN ISO 2566-2 : 1ED 99

Foreword
Introduction
1 Scope and field of application
2 Symbols
3 Definitions
4 Basic formula
5 Conversion from one proportional gauge length to
   another proportional gauge length
6 Conversion from one non-proportional gauge length
   to another non-proportional gauge length for test
   pieces of equal cross-sectional area
7 Conversion from a proportional gauge length to a
   non-proportional gauge length
8 Conversion from a non-proportional gauge length to
   another non-proportional gauge length for test pieces
   of equal cross-sectional area
Annex ZA (normative) - Normative references to international
         publications with their relevant European
         publications

Gives method of converting room temperature percentage elongations after fracture obtained on various proportional and non-proportional gauge lengths to other gauge lengths.