NF A89-521:1997
Non destructive examination of welds. Ultrasonic examination of welded joints. Acceptance levels.

Standard No.

NF A89-521:1997

Release Date

1997

Published By

Association Francaise de Normalisation

Status

Be replaced 2011-02

Replace By

NF A89-521:2011

Latest

NF A89-521:2011

NF A89-521:1997 history

• 2011 NF A89-521:2011 Non-destructive testing of welds - Ultrasonic testing - Acceptance levels.
• 1997 NF A89-521:1997 Non destructive examination of welds. Ultrasonic examination of welded joints. Acceptance levels.