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Norm
ÖNORM EN ISO 8249
Issue date: 2000 11 01
Welding - Determination of Ferrite Number (FN) in austenitic and duplex ferritic-austenitic Cr-Ni stainless steel weld metals (ISO 8249:2000)
This International Standard specifies the method and apparatus for
the measurement of the delta ferrite content, expressed as Ferrite Number (FN), in largely austenitic ...
Withdrawn: 2018 10 15
Publisher:
Austrian Standards International
Format:
Digital | 30 Pages
Language:
German
| English
| Download GER/ENG
Currently valid:
Optionally co-design standards:
ICS
This International Standard specifies the method and apparatus for
the measurement of the delta ferrite content, expressed as Ferrite Number (FN), in largely austenitic and
duplex ferritic-austenitic stainless steel weld metal through the attractive force between a weld metal sample
and a standard permanent magnet;
the preparation and measurement of standard pads for manual metal arc covered electrodes. The general
method is also recommended for the ferrite measurement of production welds and for weld metal from other
processes, such as gas tungsten arc welding, gas shielded metal arc welding and submerged arc welding (in
these cases, the way of producing the pad should be defined);
the calibration of other instruments to measure FN.
The method laid down in this International Standard is intended for use on weld metals in the as-welded state and
on weld metals after thermal treatments causing complete or partial transformation of ferrite to any non-magnetic
phase. Austenitizing thermal treatments which alter the size and shape of the ferrite will change the magnetic
response of the ferrite.
The method is not intended for measurement of the ferrite content of cast, forged or wrought austenitic or duplex
ferritic-austenitic steel samples.
ÖNORM EN ISO 8249
2018 10 15
Welding - Determination of Ferrite Number (FN) in austenitic and duplex ferritic-austenitic Cr-Ni st...
Norm
ÖNORM EN ISO 8249
2000 11 01
Welding - Determination of Ferrite Number (FN) in austenitic and duplex ferritic-austenitic Cr-Ni st...
Norm
↖
Norm
Issue date :
2018 10 15
Welding - Determination of Ferrite Number (FN) in austenitic and duplex ferritic-austenitic Cr-Ni stainless steel weld metals (ISO 8249:2018)
Norm
Issue date :
2000 04 27
Welding — Determination of Ferrite Number (FN) in austenitic and duplex ferritic-austenitic Cr-Ni stainless steel weld metals