Materials / Duplex & Super Duplex
Duplex & Super Duplex
Duplex and Super Duplex castings with controlled Sigma, Chi & Laves phase balance, NORSOK M650 qualified for grades 4A, 5A and 6A — see Quality & Certifications for qualified section thicknesses.
| Alloy Family | ASTM Spec | ASTM Grades | DIN Grades |
|---|---|---|---|
| Duplex & Super Duplex | ASTM A890 / A995 | 1B (CD4MCuN), 3A (CD6MN), 4A (CD3MN), 5A (CE3MN), 6A (CD3MWCuN) | 1.4517, 1.4470, 1.4417 |
Grades shown are ASTM specifications with their nearest DIN material-number equivalents, as documented in our current material capability records. Confirm exact grade and heat-treated condition against your specification at enquiry stage.