NBN EN 1057 : 2006 + A1 2010

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
3.1 Seamless round copper tube
3.2 Soldering and brazing
3.3 Welding
3.4 Braze welding
3.5 Mean diameter
3.6 Deviation from circular form
3.7 Deviation from concentricity
3.8 Production batch
4 Designations
4.1 Material
4.2 Material temper
4.3 Product
5 Ordering information
6 Requirements
6.1 Composition
6.2 Mechanical properties
6.3 Dimensions and tolerances
6.4 Freedom from defects
6.5 Surface quality
6.6 Bending
6.7 Drift expanding
6.8 Flanging
7 Sampling
8 Test methods
8.1 Analysis
8.2 Tensile Test
8.3 Hardness test
8.4 Carbon content test
8.5 Carbon film test
8.6 Bending test
8.7 Drift expanding test
8.8 Flanging test
8.9 Freedom from defects tests
8.10 Retests
9 Marking and form of delivery
9.1 Marking
9.2 Form of delivery
Annexes
A (normative) Standardized dimensions
B (normative) Carbon film test
C (normative) Freedom from defects tests
D (informative) Bibliography

Defines the requirements, sampling, test methods and conditions of delivery for seamless round copper tubes.