EN ISO 4945:2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Steel - Determination of nitrogen content - Spectrophotometric method (ISO 4945:1977)
21-10-2009
29-03-2022
Foreword
1 SCOPE
2 FIELD OF APPLICATION
3 REFERENCE
4 PRINCIPLE
5 REAGENTS
6 APPARATUS
7 SAMPLING
8 PROCEDURE
9 EXPRESSION OF RESULTS
10 TEST REPORT
This method is applicable to non-alloy and low-alloy steels containing between 0.002 % (m/m) and 0.050 % (m/m) of nitrogen and less than 0.6 % (m/m) of silicon. It allows the determination only of the nitrogen content which can be converted to an ammonium salt. Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report.
| Committee |
CEN/TC 459/SC 2
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| ONORM EN ISO 4945 : 2010 | Identical |
| I.S. EN ISO 4945:2009 | Identical |
| NF EN ISO 4945 : 2010 | Identical |
| NBN EN ISO 4945 : 2010 | Identical |
| ISO 4945:2018 | Identical |
| NS EN ISO 4945 : 2009 | Identical |
| I.S. EN ISO 4945:2018 | Identical |
| ÖNORM EN ISO 4945: 2019 05 01 | Identical |
| ISO 4945:1977 | Identical |
| DIN EN ISO 4945:2010-03 | Identical |
| NS EN ISO 4945 : 2018 | Identical |
| BS EN ISO 4945:2018 | Identical |
| BS EN ISO 4945:2009 | Identical |
| PN EN ISO 4945 : 2009 | Identical |