1.4828 | X15CrNiSi20-12 | AISI 309 | S30900 sheet metal
| Numeric designation | 1.4828 | AISI 309 | S30900 |
|---|---|
| Chemical designation | X15CrNiSi20-12 |
| State | sheet metal |
| Etching | V2A-Beize @ 70 °C |
Heat resistant steel used in an assembly for a large exhaust manifold. The carbon content of this delivery batch is only 0.06% C. No carbide precipitates can be detected by light microscopy. This plays a decisive role when the welded assembly is pickled (see section Corrosion).
