NEN EN 12735-1 : 2016

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Designations
   4.1 Material
   4.2 Temper
   4.3 Product
5 Ordering information
6 Requirements
   6.1 Composition
   6.2 Mechanical properties
   6.3 Dimensions and tolerances
   6.4 Drift expanding
   6.5 Surface quality
   6.6 Freedom from defects
7 Sampling
8 Test methods
   8.1 Analysis
   8.2 Tensile test
   8.3 Hardness test
   8.4 Drift expanding test
   8.5 Residue test
   8.6 Eddy current test
   8.7 Retests
9 Declaration of conformity and inspection
   documentation
   9.1 Declaration of conformity
   9.2 Inspection documentation
10 Packaging, marking and form of delivery
   10.1 Packaging and marking
   10.2 Form of delivery
Annex ZA (informative) Clauses of this European
                       Standard addressing essential
                       requirements or other
                       provisions of EU Directives
Bibliography

Defines the requirements, sampling, test methods and conditions of delivery for seamless round copper and copper alloy tubes used for refrigeration and air-conditioning piping systems (i.e. piping, connections and repairs). Pertains to tubes with an outside diameter from 3 mm up to and including 219 mm.