Ti-3Al-2.5V Grade 9 Ti Alloy Chemical composition and Mechanical properties
Ti-3Al-2.5V Grade 9 Ti Alloy
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Ti-3Al-2.5V Grade 9 properties and heat treatment forged piece, Including Ti-3Al-2.5V Grade 9 application and specifications, We have all specifications，Including Ti-3Al-2.5V Grade 9 steel plate, Ti-3Al-2.5V Grade 9 sheet, Ti-3Al-2.5V Grade 9 square steel, Ti-3Al-2.5V Grade 9 flat bar,Ti-3Al-2.5V Grade 9 round bar,Ti-3Al-2.5V Grade 9 forgings, we can own production and sales.
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We can produce the Ti-3Al-2.5V Grade 9 has the following specifications:
Round bar steel: 1mm to 3000mm
Square-shape steel: 1mm to 2000mm
Plate steel:0.1mm to 2500mm
Width: 10mm to 2500mm
Lenth: We can supply any lenth based on the customer's requirement.
Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes
Tubings: OD: φ6-219 mm, with wall thickness ranging from 1-35 mm.
Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement
Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement
Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.
Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirementExcellent service for all kinds of industries,with advantages of technologies, equipment and price.
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Chemical composition % of the ladle analysis of grade Ti-3Al-2.5V Grade 9 and Standards
| Titanium Ti-3Al-2.5V (Grade 9), alpha annealed | |
|---|---|
| Categories: | Metal; Nonferrous Metal; Titanium Alloy; Alpha/Near Alpha Titanium Alloy |
| Material Notes: |
Information provided by Allvac and the references. Alpha annealed.
Applications: Excellent cold formability, 20-50% higher tensile properties than CP titanium grades. Primarily used in aircraft hydraulic systems.
3 other heat treatments of this alloy are in MatWeb. |
| Key Words: | Ti3Al2.5V, UNS R56320; ASTM Grade 9; Half 6-4; Tubing Alloy |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 4.48 g/cc | 0.162 lb/in³ | |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Brinell | 256 | 256 | Estimated from Rockwell C. |
| Hardness, Knoop | 278 | 278 | Estimated from Rockwell C. |
| Hardness, Rockwell C | 24.0 | 24.0 | |
| Hardness, Vickers | 280 | 280 | |
| Tensile Strength, Ultimate | 620 MPa | 89900 psi | |
| Tensile Strength, Yield | 500 MPa | 72500 psi | |
| Elongation at Break | 15.0 % | 15.0 % | |
| Modulus of Elasticity | 100 GPa | 14500 ksi | In Tension |
| Compressive Yield Strength | 690 MPa | 100000 psi | |
| Notched Tensile Strength | 790 MPa | 115000 psi | Kt (stress concentration factor) = 6.3 |
| Poissons Ratio | 0.300 | 0.300 | |
| Charpy Impact | 86.0 J | 63.4 ft-lb | V-notch |
| Fatigue Strength |
170 MPa @# of Cycles 1.00e+7 |
24700 psi @# of Cycles 1.00e+7 |
Kt (stress concentration factor) = 1.8 |
|
280 MPa @# of Cycles 1.00e+7 |
40600 psi @# of Cycles 1.00e+7 |
unnotched | |
|
280 MPa @# of Cycles 50000 |
40600 psi @# of Cycles 50000 |
Kt (stress concentration factor) = 1.8 | |
|
380 MPa @# of Cycles 40000 |
55100 psi @# of Cycles 40000 |
unnotched | |
| Fracture Toughness | 100 MPa-m½ | 91.0 ksi-in½ | kJ/m² for J(IC) |
| Shear Modulus | 44.0 GPa | 6380 ksi | |
| Electrical Properties | Metric | English | Comments |
| Electrical Resistivity | 0.000127 ohm-cm | 0.000127 ohm-cm | |
| Thermal Properties | Metric | English | Comments |
| CTE, linear |
9.61 µm/m-°C @Temperature 20.0 - 95.0 °C |
5.34 µin/in-°F @Temperature 68.0 - 203 °F |
|
|
9.86 µm/m-°C @Temperature 20.0 - 315 °C |
5.48 µin/in-°F @Temperature 68.0 - 599 °F |
9.67 in range 20-205ºC | |
|
9.97 µm/m-°C @Temperature 20.0 - 540 °C |
5.54 µin/in-°F @Temperature 68.0 - 1000 °F |
average | |
| Specific Heat Capacity | 0.525 J/g-°C | 0.125 BTU/lb-°F | Typical value for titanium alloys. |
| Thermal Conductivity | 8.30 W/m-K | 57.6 BTU-in/hr-ft²-°F | Value at 315ºC is 11.8 W/m-ºC |
| Melting Point | <= 1700 °C | <= 3090 °F | Liquidus |
| Liquidus | 1700 °C | 3090 °F | |
| Beta Transus | 935 °C | 1720 °F | |
| Component Elements Properties | Metric | English | Comments |
| Aluminum, Al | 2.50 - 3.50 % | 2.50 - 3.50 % | |
| Carbon, C | <= 0.0500 % | <= 0.0500 % | |
| Hydrogen, H | <= 0.0150 % | <= 0.0150 % | |
| Iron, Fe | <= 0.200 % | <= 0.200 % | |
| Nitrogen, N | <= 0.0300 % | <= 0.0300 % | |
| Other, each | <= 0.0500 % | <= 0.0500 % | |
| Other, total | <= 0.300 % | <= 0.300 % | |
| Oxygen, O | <= 0.150 % | <= 0.150 % | |
| Titanium, Ti | 92.755 - 95.5 % | 92.755 - 95.5 % | As Balance; Elemental Compostions per ASTM B265 |
| Vanadium, V | 2.00 - 3.00 % | 2.00 - 3.00 % | |
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Machining performance
Download Ti-3Al-2.5V Grade 9 the mechanical properties of the report, the report provides detailed performance analysis and application. Download >>
Principal Design Features
One of the most widely used precipitation hardening grades in the business. While soft and ductile in the solution annealed condition, it is capable of high properties with a single precipitation or aging treatment. Characterized by good corrosion resistance, high harness, toughness and strength.
Machinability
Long, gummy chips characterize this alloys machinability. It can be machined in the annealed condition, however condition H1150M will yield best results. Post machining solution treatment of parts will be required prior to final hardening if machining in this condition.
Heat Treatment
CONDITION A--Soak at 1900 F (1038 C) for 30 minutes and cool below 60 F (16 C) for complete martensite transformation. CONDITION H 950- Treat Condition A material at 900 F(482 C) for 1 hour, air cool.. CONDITION H925, H1025, H1075, H1100, H1150- Soak solution treated material for 4 hours at specified temperature, air cool, CONDITION H1150M- Soak solution treated material at 1400 F (760 C) for 2 hours, air cool, then re-heat to 1150 F (620 C) for 4 hours and air cool.
Welding
Successfully welded by common fusion and resistance methods, this alloy should not be joined by oxyacetylene welding. AWS E/ER630 filler metal is recommended if required.
Forging
Soak for 1 hour at 2150 F (1177 C) prior to forging. Do not work below 1850 F (1010 C). Post-work solution treatment is required prior to final hardening.
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