Back (Corrosion Damages)

Shallow pitting/crevice corrosion in 1.4509 | X2CrTiNb18 | AISI 441 | S43940

Numeric designation1.4509 | AISI 441 | S43940
Chemical designationX2CrTiNb18
StateShallow pitting/crevice corrosion
EtchingV2A-Beize @ 70 °C

This corrosion-resistant ferritic Cr-steel suffered shallow pitting or localized surface corrosion, triggered by high Cl and S contents in a crevice.