EN 723:2009
Current
The latest, up-to-date edition.
Copper and copper alloys - Combustion method for determination of the carbon content on the inner surface of copper tubes or fittings
22-04-2009
Foreword
1 Scope
2 Terms and definitions
3 Principle
4 Preparation of samples and test pieces
4.1 Preparatory procedures
4.1.1 General
4.1.2 Residual carbon content
4.1.3 Total carbon content
4.1.4 Potential carbon content
4.2 Preparation of samples
4.2.1 Tubes
4.2.2 Fittings
4.3 Cleaning of sample surfaces
4.3.1 Cleaning of inner surface of sample
4.3.2 Cleaning of outer surface of sample
4.4 Preparation of test pieces
4.4.1 Tubes
4.4.2 Fittings
5 Method for carbon content determination
5.1 General
5.2 Determination of the carbon content
5.3 Determination of the blank value
6 Expression of results
7 Calibration
8 Test report
Bibliography
This European Standard specifies a combustion method for determining the carbon content, if any, on theinner surface of tubes of copper or fittings of copper or copper alloys.This standard applies only to seamless, round copper tubes as specified for example in EN 1057 andEN 13348 or fittings of copper or copper alloys as specified in EN 1254 (all parts).
| Committee |
CEN/TC 133
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Current
|
| Standards | Relationship |
| PN EN 723 : 2010 | Identical |
| UNE-EN 723:2010 | Identical |
| UNI EN 723 : 2009 | Identical |
| I.S. EN 723:2009 | Identical |
| NEN EN 723 : 2009 | Identical |
| SN EN 723 : 2009 | Identical |
| NS EN 723 : 2009 | Identical |
| NBN EN 723 : 2009 | Identical |
| NF EN 723 : 2009 | Identical |
| BS EN 723:2009 | Identical |
| DIN EN 723:2009-07 | Identical |
| I.S. EN 1254-1:1998 | COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 1: FITTINGS WITH ENDS FOR CAPILLARY SOLDERING OR CAPILLARY BRAZING TO COPPER TUBES |
| DIN EN 1254-1:1998-03 | Copper and copper alloy plumbing fittings - Part 1: Fittings with ends for capillary soldering or capillary brazing to copper tubes |
| BS EN 13348:2016 | Copper and copper alloys. Seamless, round copper tubes for medical gases or vacuum |
| EN 1057:2006+A1:2010 | Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications |
| EN 12735-2:2016 | Copper and copper alloys - Seamless, round tubes for air conditioning and refrigeration - Part 2: Tubes for equipment |
| EN 13348:2016 | Copper and copper alloys - Seamless, round copper tubes for medical gases or vacuum |
| 07/30163621 DC : 0 | BS EN 1254-5 - COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 5: FITTINGS WITH SHORT ENDS FOR CAPILLARY BRAZING TO COPPER TUBES |
| BS EN 12450:2012 | Copper and copper alloys. Seamless, round copper capillary tubes |
| I.S. EN 12450:2012 | COPPER AND COPPER ALLOYS - SEAMLESS, ROUND COPPER CAPILLARY TUBES |
| DIN EN 12450:2013-01 | COPPER AND COPPER ALLOYS - SEAMLESS, ROUND COPPER CAPILLARY TUBES |
| DIN EN 1057:2010-06 | Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications (includes Amendment A1:2010) |
| I.S. EN 13348:2016 | COPPER AND COPPER ALLOYS - SEAMLESS, ROUND COPPER TUBES FOR MEDICAL GASES OR VACUUM |
| I.S. EN 12735-2:2016 | COPPER AND COPPER ALLOYS - SEAMLESS, ROUND TUBES FOR AIR CONDITIONING AND REFRIGERATION - PART 2: TUBES FOR EQUIPMENT |
| 04/30118524 DC : DRAFT AUG 2004 | EN 1057 - COPPER AND COPPER ALLOYS - SEAMLESS, ROUND COPPER TUBES FOR WATER AND GAS IN SANITARY AND HEATING APPLICATIONS |
| I.S. EN 1254-5:1998 | COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 5: FITTINGS WITH SHORT ENDS FOR CAPILLARY BRAZING TO COPPER TUBES |
| I.S. EN 1057:2006 | COPPER AND COPPER ALLOYS - SEAMLESS, ROUND COPPER TUBES FOR WATER AND GAS IN SANITARY AND HEATING APPLICATIONS |
| BS EN 12735-2:2016 | Copper and copper alloys. Seamless, round tubes for air conditioning and refrigeration Tubes for equipment |
| UNE-EN 12450:2013 | Copper and copper alloys - Seamless, round copper capillary tubes |
| UNI EN 1057 : 2010 | COPPER AND COPPER ALLOYS - SEAMLESS, ROUND COPPER TUBES FOR WATER AND GAS IN SANITARY AND HEATING APPLICATIONS |
| UNI EN 12450 : 2013 | COPPER AND COPPER ALLOYS - SEAMLESS, ROUND COPPER CAPILLARY TUBES |
| BS EN 12735-1:2016 | Copper and copper alloys. Seamless, round tubes for air conditioning and refrigeration Tubes for piping systems |
| BS EN 1254-5:1998 | Copper and copper alloys. Plumbing fittings Fittings with short ends for capillary brazing to copper tubes |
| UNI EN 12735-1 : 2010 | COPPER AND COPPER ALLOYS - SEAMLESS, ROUND COPPER TUBES FOR AIR CONDITIONING AND REFRIGERATION - PART 1: TUBES FOR PIPING SYSTEMS |
| UNE-EN 12735-2:2016 | Copper and copper alloys - Seamless, round tubes for air conditioning and refrigeration - Part 2: Tubes for equipment |
| BS EN 1057 : 2006 | COPPER AND COPPER ALLOYS - SEAMLESS, ROUND COPPER TUBES FOR WATER AND GAS IN SANITARY AND HEATING APPLICATIONS |
| EN 12735-1:2016 | Copper and copper alloys - Seamless, round tubes for air conditioning and refrigeration - Part 1: Tubes for piping systems |
| I.S. EN 12735-1:2016 | COPPER AND COPPER ALLOYS - SEAMLESS, ROUND TUBES FOR AIR CONDITIONING AND REFRIGERATION - PART 1: TUBES FOR PIPING SYSTEMS |
| UNE-EN 13348:2016 | Copper and copper alloys - Seamless, round copper tubes for medical gases or vacuum |
| 07/30163615 DC : 0 | BS EN 1254-1 - COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 1: FITTINGS WITH ENDS FOR CAPILLARY SOLDERING OR CAPILLARY BRAZING TO COPPER TUBES |
| EN 1254-1:1998 | Copper and copper alloys - Plumbing fittings - Part 1: Fittings with ends for capillary soldering or capillary brazing to copper tubes |
| EN 1254-5:1998 | Copper and copper alloys - Plumbing fittings - Part 5: Fittings with short ends for capillary brazing to copper tubes |
| UNE-EN 12735-1:2016 | Copper and copper alloys - Seamless, round tubes for air conditioning and refrigeration - Part 1: Tubes for piping systems |
| BS EN 1254-1:1998 | Copper and copper alloys. Plumbing fittings Fittings with ends for capillary soldering or capillary brazing to copper tubes |
| EN 12450:2012 | Copper and copper alloys - Seamless, round copper capillary tubes |
| EN 1057:2006+A1:2010 | Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications |
| EN 1173:2008 | Copper and copper alloys - Material condition designation |
| EN 13348:2016 | Copper and copper alloys - Seamless, round copper tubes for medical gases or vacuum |
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