ISO 21227-4:2008 describes a method for evaluating filiform corrosion by means of digital optical imaging. Only the evalution procedure is described. The filiform corrosion itself is produced in accordance with other standards.
PUBLISHED
SRPS EN ISO 21227-4:2013
60.60
Standard published
Feb 28, 2013
PROJECT
naSRPS EN ISO 21227-4:2022