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 FamilyASTM SpecASTM GradesDIN Grades
Duplex & Super DuplexASTM A890 / A9951B (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.

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