UNS R54620 Ti Alloy Chemical composition and Mechanical properties
UNS R54620 Ti Alloy
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UNS R54620 properties and heat treatment forged piece, Including UNS R54620 application and specifications, We have all specifications，Including UNS R54620 steel plate, UNS R54620 sheet, UNS R54620 square steel, UNS R54620 flat bar,UNS R54620 round bar,UNS R54620 forgings, we can own production and sales.
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We can produce the UNS R54620 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.
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Chemical composition % of the ladle analysis of grade UNS R54620 and Standards
Titanium Ti-6Al-2Sn-4Zr-2Mo-0.1Si; Duplex Annealed
Categories: Metal; Nonferrous Metal; Titanium Alloy; Alpha/Near Alpha Titanium Alloy
Material Notes: Information provided by Allvac and the references.
Applications: High-temp jet engines. Blades, discs, spacers, seals. High performance automotive valves.
Key Words: Ti-6242Si; Ti-6242S; UNS R54620
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 4.54 g/cc | 0.164 lb/in³ | |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Brinell | 318 | 318 | Estimated from Rockwell C. |
| Hardness, Knoop | 346 | 346 | Estimated from Rockwell C. |
| Hardness, Rockwell C | 34 | 34 | |
| Hardness, Vickers | 333 | 333 | Estimated from Rockwell C. |
| Tensile Strength, Ultimate | 1110 MPa | 161000 psi | |
| Tensile Strength, Yield | 1050 MPa | 152000 psi | |
| Elongation at Break | 13.0 % | 13.0 % | |
| Reduction of Area | 30.0 % | 30.0 % | |
| Modulus of Elasticity | 118 GPa | 17100 ksi | |
| Compressive Modulus | 118 GPa | 17100 ksi | |
| Notched Tensile Strength | 1025 MPa | 148700 psi | Kt >17; Average of longitudinal and transverse. |
| Ultimate Bearing Strength | 1800 MPa | 261000 psi | e/D = 2.0; varies with thickness; this value is at about 2.4 mm. |
| Bearing Yield Strength | 1450 MPa | 210000 psi | e/D = 2.0 |
| Poissons Ratio | 0.325 | 0.325 | |
| Charpy Impact | 36.0 J | 26.6 ft-lb | V-Notch, oxygen content about 0.1%. Value drops with increasing O content. |
| Fatigue Strength |
225 MPa @# of Cycles 1.00e+7 |
32600 psi @# of Cycles 1.00e+7 |
Kt = 3 |
|
320 MPa @# of Cycles 50000 |
46400 psi @# of Cycles 50000 |
Kt = 3 | |
|
610 MPa @# of Cycles 1.00e+7 |
88500 psi @# of Cycles 1.00e+7 |
A=0.67 | |
|
750 MPa @# of Cycles 500000 |
109000 psi @# of Cycles 500000 |
A = 0.67 | |
| Shear Modulus | 44.5 GPa | 6450 ksi | Calculated |
| Electrical Properties | Metric | English | Comments |
| Electrical Resistivity | 0.000190 ohm-cm | 0.000190 ohm-cm | |
| Thermal Properties | Metric | English | Comments |
| CTE, linear |
7.70 µm/m-°C @Temperature 0.000 - 100 °C |
4.28 µin/in-°F @Temperature 32.0 - 212 °F |
|
|
7.70 µm/m-°C @Temperature 205 °C |
4.28 µin/in-°F @Temperature 401 °F |
||
|
8.10 µm/m-°C @Temperature 315 - 540 °C |
4.50 µin/in-°F @Temperature 599 - 1000 °F |
average | |
| Specific Heat Capacity | 0.460 J/g-°C | 0.110 BTU/lb-°F | |
| Thermal Conductivity | 7.00 W/m-K | 48.6 BTU-in/hr-ft²-°F | |
| Melting Point | <= 1705 °C | <= 3101 °F | Liquidus |
| Liquidus | 1705 °C | 3101 °F | |
| Beta Transus | 995 °C | 1820 °F | |
| Component Elements Properties | Metric | English | Comments |
| Aluminum, Al | 5.50 - 6.50 % | 5.50 - 6.50 % | |
| Carbon, C | <= 0.0500 % | <= 0.0500 % | |
| Hydrogen, H | <= 0.0150 % | <= 0.0150 % | |
| Iron, Fe | <= 0.250 % | <= 0.250 % | |
| Molybdenum, Mo | 1.80 - 2.20 % | 1.80 - 2.20 % | |
| Nitrogen, N | <= 0.0500 % | <= 0.0500 % | |
| Other, each | <= 0.100 % | <= 0.100 % | |
| Other, total | <= 0.300 % | <= 0.300 % | |
| Oxygen, O | <= 0.150 % | <= 0.150 % | |
| Silicon, Si | 0.0600 - 0.100 % | 0.0600 - 0.100 % | |
| Tin, Sn | 1.80 - 2.20 % | 1.80 - 2.20 % | |
| Titanium, Ti | 83.785 - 87.24 % | 83.785 - 87.24 % | As Balance; Elemental Compostions per ASTM B265 |
| Zirconium, Zr | 3.60 - 4.40 % | 3.60 - 4.40 % | |
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Machining performance
Download UNS R54620 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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