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1.4828 | X15CrNiSi20-12 | AISI 309 | S30900 bar stock

Numeric designation1.4828 | AISI 309 | S30900
Chemical designationX15CrNiSi20-12
Statebar stock
EtchingV2A-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).