AMS 4928 Ti6Al4V Bar
Each plate is traceable to its melting batch number
SGS/CMA dual-certified test report
Customization based on drawings and third-party inspection available
Baohui Steel supplies premium AMS 4928 Titanium Bar that comply with aerospace material specifications. These bars provide outstanding strength, lightweight properties, and excellent resistance to corrosion and high temperatures. Whether you need bars for aircraft structures, engine components, or defense applications, we deliver products that meet the most stringent requirements for quality and performance.
Annealed Temper (Annealed): Balances ductility and strength, ideal for parts requiring machining or forming (e.g., aircraft fasteners).
Solution-Treated & Aged Temper (ST+A): Maximizes strength via heat treatment (solution at ~955°C, quenching, then aging at ~540°C), suited for load-bearing aerospace components (e.g., engine shafts).
Specifications
|
Parameter |
Details |
|
Diameter |
5mm – 300mm (0.2" – 12") |
|
Length |
1000mm – 6000mm (39" – 236") (Custom lengths available) |
|
Form |
Round Bar, Hex Bar, Square Bar, Flat Bar, Forged Bar |
|
Surface Finish |
Turned, Polished, Peeled, Sandblasted, Centerless Ground |
|
Standard |
AMS 4928, ASTM B348, MIL-T-9046, ASME SB348 |
|
Condition |
Annealed, Solution Treated and Aged |
Chemical Composition of AMS 4928 Titanium Bar
|
Element |
Content (%) |
|
Aluminum (Al) |
5.50 – 6.75 |
|
Vanadium (V) |
3.50 – 4.50 |
|
Iron (Fe) |
≤ 0.30 |
|
Oxygen (O) |
≤ 0.20 |
|
Carbon (C) |
≤ 0.08 |
|
Nitrogen (N) |
≤ 0.05 |
|
Hydrogen (H) |
≤ 0.015 |
|
Titanium (Ti) |
Balance |
Mechanical Properties (Minimum Requirements)
|
Property |
Minimum Values |
|
Tensile Strength |
895 MPa (130 ksi) |
|
Yield Strength |
825 MPa (120 ksi) |
|
Elongation |
10% |
|
Reduction of Area |
20% |
|
Hardness (HRC) |
32 – 38 |
Core Advantages
Ultra-High Purity (ELI): Low oxygen/hydrogen minimizes brittleness-ideal for parts under cyclic loading (e.g., aircraft landing gear) or medical implants (e.g., hip stems).
Aerospace-Grade Strength: ST+A temper delivers strength comparable to high-strength steel but at 60% of the weight, reducing fuel consumption in aircraft.
Superior Corrosion Resistance: Forms a stable oxide layer that resists jet fuel, hydraulic fluids, body fluids, and seawater-outperforming stainless steel in long-term service.
Excellent Machinability: Annealed temper allows precise machining into complex shapes (e.g., medical screws, aerospace fasteners) without cracking.
Biocompatibility: ELI purity meets ISO 13485 standards-non-toxic, non-allergenic, and supports osseointegration (tissue bonding) for medical implants.
Quality Assurance
To meet aerospace and medical standards, our AMS 4928 Titanium Bar undergo exhaustive, traceable quality control:
Raw Material Validation
Titanium ingots sourced from AS9100/ISO 13485-certified suppliers.
100% ICP-MS (Inductively Coupled Plasma Mass Spectrometry) testing to confirm ELI chemical composition-rejecting any ingots with interstitial excess.
Manufacturing Oversight
Hot forging (980–1050°C) and cold drawing (with intermediate annealing at 700–760°C) to achieve a uniform grain structure.
Real-time monitoring of heat treatment parameters (temperature, time, cooling rate) for ST+A temper-documented in digital batch records.
Final Testing
Mechanical Testing: Tensile, yield, and elongation tests on 1 sample per 5 bars; fracture toughness testing on 1 sample per lot.
Non-Destructive Testing (NDT):
100% ultrasonic testing (UT) to detect internal defects ≥0.2mm (per ASTM A609).
Liquid penetrant testing (LPT) for surface cracks (per ASTM E165).
Dimensional Inspection: Laser micrometers and CMM (Coordinate Measuring Machine) to verify diameter, straightness, and tolerance.
Documentation & Traceability
Each bar is marked with a unique serial number (linking to raw material batch, production date, and test results).
Delivery includes:
AMS 4928-compliant Material Test Report (MTR) with full chemical, mechanical, and NDT data.
Certificate of Compliance (CoC) signed by a qualified aerospace/medical quality engineer.
Optional AS9100 (aerospace) or ISO 13485 (medical) certification.
Request a Quote for AMS 4928 Titanium Bar
Whether you need annealed AMS 4928 bars for medical implants or ST+A bars for aerospace components, we offer:
Custom diameters, lengths, and tempers (Annealed/ST+A).
Fast lead times (3–5 weeks for stock sizes; 7–9 weeks for custom orders).
Technical support from metallurgists specializing in aerospace and medical titanium.
WhatsApp: 8613468954786
Email:baohui@bhsteelpipe.com
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