National Foreword
European foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
5 Test procedures
6 Declaration of compliance
7 Designation
8 Marking, preparation for storage and transportation
Annex A (informative) - Information to be supplied by
the customer
Annex B (normative) - Strength torque test
Annex C (normative) - Equivalence between EN and
ISO cast iron material grades
Annex ZA (informative) - Relationship between this
European Standard and the Essential
Requirements of EU Directive 97/23/EC
Bibliography