1.4828 | X15CrNiSi20-12 | AISI 309 | S30900 bar stock
Numeric designation | 1.4828 | AISI 309 | S30900 |
---|---|
Chemical designation | X15CrNiSi20-12 |
State | bar stock |
Etching | V2A-Beize @ 70 °C |
content of this delivery batch is 0.13% C, maximum allowable is ≤ 0.20%. Light microscopy shows a finely dispersed grain boundary fringe of carbide precipitates. This led to a strong grain boundary attack during pickling of the welded assembly (see section Corrosion).