NBN EN 439 : 1994
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
LASTOEVOEGMATERIALEN - BESCHERMGASSEN VOOR HET BOOGLASSEN EN BOOGSNIJDEN
08-08-2008
12-01-2013
Cooperating organizations
National foreword
Foreword
1. Scope
2. Properties of gases
3. Classification of shielding gases
4. Designation
5. Tolerances of mixtures
6. Purities and dew point
7. Forms of supply
7.1 Gas cylinders
7.2 Liquid
8. Shielding gas identification
National annex NA (informative)
Committees responsible
Classifies shielding gases in accordance to their chemical properties as a base for the approval of shielding gas and filler wire combinations. Also specifies gas purities and mixing tolerances. Coverage includes: designation, gas cylinders, forms of supply, and purities and dew point.
| DocumentType |
Standard
|
| PublisherName |
Belgian Standards
|
| Status |
Superseded
|
| Standards | Relationship |
| EN 439 : 1994 | Identical |
| BS EN 439:1994 | Identical |
| I.S. EN 439:1995 | Identical |
| DIN EN 439:1995-05 | Identical |
| UNE-EN 439:1995 | Identical |
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