Ti-6Al-2Sn-4Zr-2Mo (Ti-6242)

UNS R54620 titanium
Validate composition

Near-alpha titanium alloy with excellent elevated-temperature strength and creep resistance up to 540°C. Used for high-temperature compressor components where Ti-6-4 is limited.

Applicable Standards

  • AMS 4919
  • AMS 4975
  • MIL-T-9046

Composition Ranges (wt %)

Element Min (%) Max (%) Typical Range
Ti 85.0 92.0 ~88.5
Al 5.5 6.5 ~6.0
Zr 3.6 4.4 ~4.0
Sn 1.8 2.2 ~2.0
Mo 1.8 2.2 ~2.0
Si 0.06 0.1 ~0.08
Ti 85.0–92.0% Al 5.5–6.5% Zr 3.6–4.4% Sn 1.8–2.2% Mo 1.8–2.2% Si 0.06–0.1%

Typical Applications

  • High-pressure compressor discs and blades
  • Jet engine cases
  • Airframe components at elevated temperature
  • Rocket motor cases
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 →