Ti-621/0.8 Ti Alloy Chemical composition and Mechanical properties
Ti-621/0.8 Ti Alloy
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Ti-621/0.8 properties and heat treatment forged piece, Including Ti-621/0.8 application and specifications, We have all specifications，Including Ti-621/0.8 steel plate, Ti-621/0.8 sheet, Ti-621/0.8 square steel, Ti-621/0.8 flat bar,Ti-621/0.8 round bar,Ti-621/0.8 forgings, we can own production and sales.
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We can produce the Ti-621/0.8 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 Ti-621/0.8 and Standards
Titanium Ti-6Al-2Nb-1Ta-0.8Mo (Ti-621/0.8), Alpha-Annealed
Categories: Metal; Nonferrous Metal; Titanium Alloy; Alpha/Near Alpha Titanium Alloy
Material Notes: Alpha-annealed at 870ºC. Alpha Alloy.
3 other heat treatments of this alloy are in MatWeb.
Key Words: Ti-621/0.8; UNS R56210; Ti-6211
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 4.48 g/cc | 0.162 lb/in³ | |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Brinell | 290 | 290 | Estimated from Rockwell C. |
| Hardness, Knoop | 315 | 315 | Estimated from Rockwell C. |
| Hardness, Rockwell C | 30 | 30 | |
| Hardness, Vickers | 304 | 304 | Estimated from Rockwell C. |
| Tensile Strength, Ultimate | 830 MPa | 120000 psi | |
| Tensile Strength, Yield | 710 MPa | 103000 psi | |
| Elongation at Break | 11.0 % | 11.0 % | |
| Reduction of Area | 30.0 % | 30.0 % | Average of Longitudinal and Transverse |
| Modulus of Elasticity | 115 GPa | 16700 ksi | Value for annealed sample in tension. |
| Compressive Yield Strength | 790 MPa | 115000 psi | |
| Poissons Ratio | 0.310 | 0.310 | |
| Charpy Impact | 42.0 J | 31.0 ft-lb | V-notch |
| Fatigue Strength |
170 MPa @# of Cycles 1.00e+7 |
24700 psi @# of Cycles 1.00e+7 |
Kt (stress concentration factor) = 3.0 |
|
280 MPa @# of Cycles 1.00e+7 |
40600 psi @# of Cycles 1.00e+7 |
Unnotched | |
| Fracture Toughness | 99.0 MPa-m½ | 90.1 ksi-in½ | KIC |
| Shear Modulus | 43.9 GPa | 6370 ksi | Calculated |
| Shear Strength | 580 MPa | 84100 psi | Ultimate shear strength |
| Electrical Properties | Metric | English | Comments |
| Electrical Resistivity | 0.000160 ohm-cm | 0.000160 ohm-cm | |
| Thermal Properties | Metric | English | Comments |
| CTE, linear |
9.00 µm/m-°C @Temperature 20.0 - 615 °C |
5.00 µin/in-°F @Temperature 68.0 - 1140 °F |
average |
|
9.20 µm/m-°C @Temperature 20.0 - 93.0 °C |
5.11 µin/in-°F @Temperature 68.0 - 199 °F |
||
| Specific Heat Capacity | 0.552 J/g-°C | 0.132 BTU/lb-°F | |
| Thermal Conductivity | 6.40 W/m-K | 44.4 BTU-in/hr-ft²-°F | |
| Melting Point | <= 1650 °C | <= 3000 °F | Liquidus |
| Liquidus | 1650 °C | 3000 °F | |
| Beta Transus | 1110 °C | 2030 °F | |
| Component Elements Properties | Metric | English | Comments |
| Aluminum, Al | 6.0 % | 6.0 % | |
| Molybdenum, Mo | 0.80 % | 0.80 % | |
| Niobium, Nb (Columbium, Cb) | 2.0 % | 2.0 % | |
| Tantalum, Ta | 1.0 % | 1.0 % | |
| Titanium, Ti | 90.0 % | 90.0 % | |
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Titanium Ti-6Al-2Nb-1Ta-0.8Mo (Ti-621/0.8), STA-1
MTA182 / 14118
Machining performance
Download Ti-621/0.8 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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