AMS 4928 Titanium Gr5 Bar
Grade: Grade 5/TC4/UNS R56400
International Standard:AMS 4928
Delivery condition: Annealed
Surface Finish:Centerless ground, polished
Required mill cert: MTC 3.1 compliant with AMS4928
Description
Technical Parameters
Products Description
AMS 4928 is an SAE aerospace material specification for annealed Ti-6Al-4V (Grade 5) alpha-beta titanium alloy, covering bars, wire, forgings, rings. It defines strict chemical limits, mechanical properties, melting rules, heat-treatment and inspection requirements for aerospace-grade critical-part applications.
AMS 4928 Titanium Grade 5 bars are supplied in various forms: round bars, hex bars, square bars and flat bars. Cut-to-length and custom sizes are available upon request.
Ruihang, with over 13 years of titanium product manufacturing, is located in China Titanium Valley, which features a well-established titanium industry chain covering raw materials through to finished products.
Chemical Composition
|
Element |
Al |
V |
Fe |
O |
C |
N |
H |
Y |
Other each |
Other total |
Ti |
|
Min |
5.5 |
3.5 |
- |
- |
- |
- |
- |
- |
- |
- |
Balance |
|
Max |
6.75 |
4.5 |
0.3 |
0.2 |
0.08 |
0.05 |
0.0125 |
0.005 |
0.1 |
0.4 |
- |
Mechanical Properties
|
Property |
Metric |
Imperial |
|
Tensile strength ≥ |
895 MPa |
130 ksi |
|
Yield strength ≥ |
827 MPa |
120 ksi |
|
Elongation ≥ |
10 % |
10 % |
|
Reduction of area ≥ |
25 % |
25 % |
|
Density |
4.43 g/cm³ |
0.16 lb/in³ |
|
Modulus of Elasticity |
114 GPa |
16.5 Msi |
Physical Properties
|
Property |
Metric |
Imperial |
|
Density |
4.43 g/cm³ |
0.160 lb/in³ |
|
Melting Range |
1604-1660 °C |
2920-3020 °F |
|
Beta Transus |
~1000 °C ±14 °C |
~1830 °F ±25 °F |
|
Modulus of Elasticity (Young's) |
114 GPa |
16 500 ksi |
|
Shear Modulus |
44 GPa |
6 380 ksi |
|
Poisson's Ratio |
0.33 |
0.33 |
|
Thermal Conductivity |
6.7 W/(m·K) |
4.65 BTU·in/(hr·ft²·°F) |
|
Mean Thermal Expansion Coefficient (20-100 °C) |
8.6 µm/m·°C |
4.78 µin/in·°F |
|
Specific Heat Capacity |
0.526 J/(g·°C) |
0.126 BTU/(lb·°F) |
|
Electrical Resistivity |
171 µΩ·cm |
171 microhm-cm |
|
Magnetic Permeability |
1.00005 (non-magnetic) |
1.00005 |
The Quotation Process for AMS 4928 Titanium Gr5 Bar
1.Receive and register customer inquiry.
2.Confirm full requirements: product grade, dimensions, quantity, surface finish, execution standard and trade terms.
3.Verify raw material price and confirm production schedule & lead time
4.Calculate comprehensive costs: material, processing, packaging, freight and applicable tariffs
5.Prepare formal quotation sheet with unit price, validity period and payment terms
6.Issue and send the official quotation to the customer.
Why Choose Us
1.Production Equipment & Capacity
- Mills: 550mt, 450mt, 350mt (1 set each); plus 9 resistance furnaces, 2 annealing furnaces, 2 skew roll straightening machines
- Monthly capacity for titanium bars: 500 metric tons
2.Location Advantage & Service
- Based in Baoji ("China's Titanium Valley") with concentrated titanium industry and complete industrial chain
- Competitive price & reliable after-sales service guaranteed by industrial cluster advantage, high production efficiency and yield rate
3.Quality Assurance
- Certified with EN ISO 9001:2015 & EN 9100:2018 (for European aerospace products) by French BV in 2025
- In-house testing center with 15+ advanced instruments include O/N/H Analysis Meter, Tensile Testing Machine, Metallurgical Phase Microscope, Hardness Tester, Ultrasonic Flaw Detector, Eddy Current Flaw Detector.
- Third-party testing is available on request. Strict quality control ensures all products meet customer requirements.
FAQ about AMS 4928 Titanium Gr5 Bar
Q: What forms can AMS 4928 supply?
Round bar, square bar, rectangular, flat bar, forging billet.
Available surfaces: pickled, sand‑blasted, centerless ground, rough‑turned.
Q: AMS 4928 vs ASTM B348 Grade 5 - what is the difference?
- ASTM B348: general-industrial Grade 5 titanium bar, wider impurity tolerance, for non-aerospace use.
- AMS 4928: aerospace-oriented; tighter limits for O, H, N, Y; mandates vacuum multiple melting; mandatory ultrasonic inspection; strict documentation & traceability for flight-critical components.
Note: AMS 4928 material meets ASTM B348 Grade 5, but ASTM B348 material does not automatically satisfy AMS 4928.
Q: What inspections & documents are required for AMS 4928 bar?
- Chemical analysis (per AMS 2249)
- Room-temperature tensile test
- Microstructure metallography
- 100 % ultrasonic flaw detection (UT)
- Dimensional & visual surface check
- Mill test report / MTC 3.1 certification, heat-lot traceability.
Q: What are main applications for AMS 4928 titanium bar?
- Aerospace: airframe structures, landing-gear components, fasteners, engine compressor parts, spacecraft hardware
- Defense & military hardware
- Oil-gas, marine corrosion-resistant parts
- Motorsport, high-performance racing components
Contact Us
Baoji Ruihang, a manufacturer of titanium and non-ferrous metal products, is specialized in R&D, production and sales. A pofessional service team is standing by for your inquiry. Ruihang supply optimal titanium products, applying to the standard of AMS, ASTM, MIL, ISO, GB, GJB.
Ruihang, as a direct manufacturer of titanium products, supply optimal quality titanium products for your precision components production.We respond within 24h, offer reliable top-grade products and full after-sales support for your total satisfaction. For more details about AMS 4928 Titanium Gr5 Bar,please feel free to contact us via email.
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