20.99 Feb 25, 2026
ISO
ISO/TC 156
International Standard
PUBLISHED
ISO 3651-2:1998
PROJECT
ISO/WD 3651-2
20.99
WD approved for registration as CD
Feb 25, 2026
Determination of resistance to intergranular corrosion of stainless steels — Part 2: Ferritic,austenitic and ferritic-austenitic (duplex) stainless steels — Corrosion test in media containing sulfuric acid
10.99 New project approved