This European Standard specifies the requirements, sampling, test methods and conditions of delivery for seamless round copper tubes, smooth or inner finned, used for heat exchangers and their internal connecting pipes in the manufacturing of refrigeration and air conditioning equipment.<\/p>\n
It is applicable to tubes with an outside diameter from 3,97 mm up to and including 219 mm.<\/p>\n
The tubes are supplied in straight length in the material conditions hard, half-hard or skin hard or as coils in the material conditions light annealed or soft annealed.<\/p>\n<\/div>\n
| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 4<\/td>\n | Contents Page <\/td>\n<\/tr>\n | ||||||
| 6<\/td>\n | European foreword <\/td>\n<\/tr>\n | ||||||
| 8<\/td>\n | Introduction <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | 1 Scope 2 Normative references <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | 3 Terms and definitions 4 Designations 4.1 Material 4.1.1 General <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | 4.1.2 Symbol 4.1.3 Number 4.2 Material condition 4.3 Product <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | 5 Ordering information <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | 6 Requirements 6.1 Composition 6.2 Mechanical properties and grain size Table 1 \u2014 Mechanical properties and grain size 6.3 Dimensions and tolerances for smooth tubes 6.3.1 General <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | 6.3.2 Nominal dimensions <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | Table 2 \u2014 Nominal outside diameters and wall thicknesses for smooth tubes <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 6.3.3 Tolerances on mean outside diameter Table 3 \u2014 Tolerances on outside diameter for smooth tubes in straight length Table 4 \u2014 Tolerances on mean outside diameter for smooth tubes in coils 6.3.4 Tolerances on wall thickness <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | Table 5 \u2014 Tolerances on wall thickness for smooth tubes Table 6 \u2014 Tolerances on wall thickness 6.3.5 Tolerances on the mass for tubes supplied in coils <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | 6.3.6 Tolerances on length for tubes supplied in straight lengths Table 7 \u2014 Tolerances on length for tubes supplied in straight lengths 6.3.7 Tolerances of form 6.3.7.1 Deviation from circular form Table 8 \u2014 Maximum deviation from circular form expressed as percentage of the nominal outside diameter <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | 6.3.7.2 Deviation from concentricity 6.4 Dimensions and tolerances for inner finned tubes 6.4.1 General 6.4.2 Dimensions for inner finned tubes Table 9 \u2014 Recommended nominal outside diameters for inner finned tubes <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | 6.4.3 Tolerances on mean outside diameter 6.4.4 Tolerances on mass for tubes supplied in coils 6.4.5 Tolerances of form 6.5 Drift expanding (for smooth tubes) Table 10 \u2014 Testing of drift expanding 6.6 Freedom from defects 6.6.1 General <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | 6.6.2 Straight tubes 6.6.3 Coiled tubes Table 11 \u2014 Permissible number of defects for coils 6.7 Surface quality 7 Sampling <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | 8 Test methods 8.1 Analysis 8.2 Tensile test 8.3 Hardness test 8.4 Estimation of average grain size 8.5 Drift expanding test 8.6 Carbon content test 8.7 Freedom from defects test <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | 8.8 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 <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | 10.2 Form of delivery 10.2.1 Coils Table 12 \u2014 Coil and reel dimensions 10.2.2 Straight lengths <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | Annex A (normative) Freedom from defects test A.1 Eddy current test A.1.1 General Table A.1 \u2014 Maximum drill diameters for reference standard tube A.1.2 Detection for non-local defects on coiled tubes <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | A.2 Hydrostatic test Table A.2 \u2014 Hydrostatic pressure test A.3 Pneumatic test <\/td>\n<\/tr>\n | ||||||
| 27<\/td>\n | Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of Directive 2014\/68\/EU aimed to be covered Table ZA.1 \u2014 Correspondence between this European Standard and Annex I of Directive 2014\/68\/EU <\/td>\n<\/tr>\n | ||||||
| 28<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Copper and copper alloys. Seamless, round tubes for air conditioning and refrigeration – Tubes for equipment<\/b><\/p>\n |