Hastelloy C-22

UNS N06022 nickel_superalloy
Validate composition

Ni-Cr-Mo-W alloy with outstanding resistance to pitting, crevice corrosion, and stress-corrosion cracking. Used in the most aggressive chemical environments.

Applicable Standards

  • ASTM B575
  • ASTM B619
  • AMS 5765

Composition Ranges (wt %)

Element Min (%) Max (%) Typical Range
Ni 56.0 100.0 ~78.0
Cr 20.0 22.5 ~21.25
Mo 12.5 14.5 ~13.5
W 2.5 3.5 ~3.0
Fe 2.0 6.0 ~4.0
Co — 2.5 ~1.25
Ni 56.0–100.0% Cr 20.0–22.5% Mo 12.5–14.5% W 2.5–3.5% Fe 2.0–6.0% Co 0.0–2.5%

Typical Applications

  • Chemical process reactors
  • Flue gas desulphurisation
  • Waste treatment
  • Pharmaceutical manufacturing
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 →