90.93 Standard confirmed Jun 21, 2021
ISO
ISO/TC 44/SC 6 Resistance welding and allied mechanical joining
International Standard
25.160.30 Welding equipment
Specifies diameters and cut-off angles of cooling tubes. Establishes also designation, materials and marking.
PUBLISHED
ISO 9313:1989
90.93
Standard confirmed
Jun 21, 2021