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AMS 4911
AMS 4911 — Ti-6Al-4V Titanium Sheet, Strip & Plate (Annealed)
AMS 4911 specifies Ti-6Al-4V (UNS R56400) in sheet, strip, and plate, supplied in the annealed condition with typical minimum properties around 120 ksi yield and 130–134 ksi tensile (thickness dependent). This specification is the workhorse flat-rolled standard for aerospace, medical, and industrial applications needing a high strength-to-weight ratio and excellent corrosion resistance.
What Does AMS 4911 Cover?
Alloy: Titanium 6Al-4V (alpha-beta alloy)
Forms: Sheet, strip, plate
Condition: Annealed (with mechanical property levels defined by gauge)
Use cases: Structural panels, brackets, fairings, engine bay components, medical hardware, high-performance parts
Why Engineers Choose AMS 4911 Ti-6Al-4V
High Specific Strength
Meets demanding yield/tensile targets with low density (~4.51 g/cm³), enabling lighter systems without compromising durability.
Proven Corrosion Resistance
A stable oxide film provides resistance to chlorides, seawater spray, and industrial media—ideal for aerospace and marine environments.
Fabrication Versatility
Good weldability (with proper shielding), solid formability for press-brake operations, and compatibility with waterjet/laser cutting.
| Element | Content (wt%) |
|---|---|
| Titanium (Ti) | Balance |
| Aluminum (Al) | 5.5–6.75% |
| Vanadium (V) | 3.5–4.5% |
| Oxygen (O) | ≤ 0.20% |
| Nitrogen (N) | ≤ 0.05% |
| Carbon (C) | ≤ 0.08% |
| Hydrogen (H) | ≤ 0.015% |
| Iron (Fe) | ≤ 0.30% |
| Yttrium (Y) | ≤ 0.005% |
| Other Elements (total) | ≤ 0.40% |
Indicative Mechanical (annealed, thickness-dependent)
0.2% Yield: ~120–126 ksi
UTS: ~130–134 ksi
Elongation: ~6–10%
Applications Across Industries
Aerospace: skins, ribs, brackets, engine covers, hardware
Medical: biocompatible components, instrument housings (per regulatory controls)
Industrial & Motorsport: high-load, weight-critical fabrications and panels
Product Availability & Processing
Thickness range: thin sheet to heavy plate (per stock list)
Finishes/conditions: pickled, mill finish; annealed as standard
Processing services: shearing, slitting, waterjet/laser cutting, leveling, deburring
Documentation: full MTRs with chemistry/mechanicals; optional UT, hardness, and micro reports on request
AMS 4911 vs Related Specs (Quick Guide)
AMS 4911: Ti-6Al-4V sheet/strip/plate (annealed) — aerospace-grade controls.
ASTM B265 (Grade 5): industrial flat-rolled spec for Ti-6Al-4V — common in non-aerospace.
Looking for CP (commercially pure) titanium? See AMS 4900/4901/4902 (Grades 2–4).
Buyers’ Section — pure and primium ams 4911 titanium in india
(Secondary keywords included verbatim: pure and primium ams 4911 titanium in india)
Note on terminology: AMS 4911 is an alloy (Ti-6Al-4V), not “commercially pure.” If you need CP titanium, specify Grade 2/3/4 to AMS 4900/4901/4902.
How to specify in India:
Call out AMS 4911 with thickness & tolerances,
surface (pickled/mill),
required tests (e.g., UT, bend),
DFARS/ROHS/REACH if applicable,
packaging (export crates, VCI).
Service add-ons: cut-to-size, just-in-time releases, and third-party inspection where required.
Fabrication Notes
Welding: GTAW/GMAW with inert shielding; maintain cleanliness to avoid contamination and alpha case.
Forming: better in annealed condition; use generous radii and proper lubrication.
Machining: sharp tooling, controlled heat, ample coolant to limit work hardening.
Cleaning: avoid chlorinated cleaners; preserve passive film.
Full compliance to AMS 4911 with traceability and clean surface prep for reliable fabrication.
MTRs with chemistry/mechanicals; optional UT, hardness, and micro per PO.
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