Inconel 939

UNS N09939 nickel_superalloy
Validate composition

Weldable nickel superalloy for large industrial gas turbine blades. Higher Cr than IN-713 for improved corrosion resistance while maintaining adequate hot strength.

Applicable Standards

  • AMS 5593 (similar)
  • UNS N09939

Composition Ranges (wt %)

Element Min (%) Max (%) Typical Range
Ni 45.0 100.0 ~72.5
Cr 22.0 24.0 ~23.0
Co 18.0 20.0 ~19.0
Ti 3.5 4.0 ~3.75
Al 1.8 2.2 ~2.0
W 1.8 2.2 ~2.0
Nb 0.9 1.3 ~1.1
Ni 45.0–100.0% Cr 22.0–24.0% Co 18.0–20.0% Ti 3.5–4.0% Al 1.8–2.2% W 1.8–2.2% Nb 0.9–1.3%

Typical Applications

  • Industrial gas turbine blades
  • Vanes
  • Large castings
Validate my sample against this spec Identify unknown alloy ← Back to all alloys

Need a tamper-evident certificate for this material?

Immutable, timestamped, and shareable with your customer or auditor.

Start free pilot →