Duplex Stainless Steel investment castings for industrial applications.

Duplex stainless steels combine the beneficial properties of both austenitic and ferritic phases, resulting in higher strength and better corrosion resistance than standard austenitic grades. They are particularly suited for chloride-containing environments, seawater, and chemical processing.

Chemical composition and classification of available grades:
| Grade | ASTM | UNS | PRE | Application |
|---|---|---|---|---|
| CD3MN (2205) | A890/A995 | J92205 | 35 | General duplex |
| CE3MN (2507) | A890/A995 | J93404 | 42 | Super duplex |
| CD3MWCuN (Zeron 100) | A890 | J93380 | 40 | Subsea/offshore |
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