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Mechanical Data for 6Al-4V & 6Al-4V ELI
| Technical Data |
6Al-4V |
6Al-4V |
6Al-4V ELI |
6Al-4V ELI |
| |
Guaranteed
Room
Temperature Minimum |
Typical Strength (%RT) & Ductility
400ºF 600ºF
800ºF 1000ºF |
Guaranteed
Room
Temperature Minimum |
Typical Strength & Ductility
-320ºF -423ºF |
| Ultimate Tensile Strength, psi |
130,000 | 100,100 96,200
88,400 70,200 |
120,000 |
218,000 263,000 |
| Yield Strength, 0.2% Offset, |
120,000 | 90,000 81,600
75,600 54,000 |
115,000 | 202,000 248,000 |
| El in 2"(>0.025" thick), Percent |
10 |
17 17 18 27 |
10 |
13.5 6 |
| Reduction of Area, Percent |
20 |
50.5 51.5 52.1 67.9 |
25 |
|
| Bend Radius |
4.5T 5T |
|
4.5T 5T |
|
| Impact Charpy V, ft-lb. Room Temp. |
10-14 |
|
18 |
|
| Weld Bend Radius |
6-10T |
|
6-10T |
|
| Hardness |
Rc 30/34 |
|
Rc 30/34 |
|
| Rupture, Stress to Produce in Hr. psi |
|
800ºF 1,000ºF
1000 hr 1000 hr
75,000 58,000 |
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Creep Data, Stress to Produce
Percent elongated in
Hr, psi | | 600ºF 800ºF
0.1 % 0.1 %
1000 hr 1000hr
70,000 32,000 | | |
Physical Properties for 6Al-4V & 6Al-4V ELI
| Technical Data | 6Al-4V | 6Al-4V ELI |
| Modulus of Elasticity, psi(10^6) Tension | 16.5 |
16.5 |
| Modulus of Elasticity, psi(10^6) Torsion | Approximately 6.10 | Approximately 6.10 |
| Density, lb/ cu Inch | 0.160 | 0.160 |
| Melting Range, Deg. F | Approximately 3000F | Approximately 3000F |
Specific Electrical Resistivity micro
ohms/cm/sq cm |
171 at room temperature;
187 at 800F | 171 at room temperature |
| Specific Heat, Btu/lb/Deg. F | 0.135 at room temperature | 0.125 at room temperature |
Thermal Conductivity,
Btu/hr.Ft^2 - Deg. F/ft |
4.2 at room temp.
6.8 at 800F | |
Mean Coefficient of Thermal
Expansion Per F (10^6)
32-212F
32-600F
32-1000F
32-1200F
32-1500F |
4.9
5.1
5.3
5.5
5.7 |
5.3
5.3
5.3
5.5
5.7 |
| Oxidation Characteristics in Air | 400 F 600 F 800 F 1000F | |
| Short Time | Good Good Good Moderate | |
| Long Term | Good Good Slight Moderate | |
Remarks on Fabrication for 6Al-4V & 6Al-4V ELI
| Technical Data | 6Al-4V | 6Al-4V ELI |
| Beta Transus | 1805 - 1855 | 1805 - 1855 |
| Cutting | Readily cut with saw
or abrasive wheel |
Readily cut with saw
or abrasive wheel |
| Machining | Rigid set-up, slow speed,
heavy feed, sharp tools,
adequate coolant | Rigid set-up, slow speed,
heavy feed, sharp tools,
adequate coolant |
| Forming | Formed at room temp. whenever possible
Hot forming recommended for complex structures. | Formable: Warm forming useful with solution-treated material |
| Joining, Welding | Sound moderately ductile welds if protected. | Sound ductile welds if protected. |
Remarks on Heat Treatment for 6Al-4V & 6Al-4V ELI
| Technical Data | 6Al-4V | 6Al-4V ELI |
| Initial Forging | 1805, no higher than 1775 to finish | 1800 - 1820, no higher than 1775 to finish |
| Annealing | 1300F - 1550 1-8 hr., slow cool to 1050F, AC | 1300F - 1550 1-8 hr., air cool |
| Solution Treating | 1700 - 1750F, 1hr., water quench (bar)
1660 - 1725F, 5 - 20 min. WQ(sheet and plate) | Not applicable |
| Aging | 1000F, 4hr., AC | Not applicable |
| Stress Relief Annealing | 900 - 1200F, 1 - 4 hr., AC | 900 - 1200F, 1 - 4 hr., AC |
Other Technical Data for 6Al-4V & 6Al-4V ELI
| Technical Data | 6Al-4V | 6Al-4V ELI |
| Principal Uses | Airframe and turbine engine parts (blades, discs, wheels, spacer rings), ordinance equipment, pressure vessels, rocket motor cases | Surgical appliances & implants, orthopaedic implants, pressure vessels, airframes, etc. |
| Available Forms | Sheet, strip, plate, bar, billet, wire, extrusions. | Sheet, strip, plate, bar, billet, wire, tubing, extrusions. |
| Nominal Composition | 0.08% max C, 0.05% max N, 0.015% max H (sheet), 0.25% max Fe., 5.75 - 6.75% Al, 3.5 - 4.5% V, 0.20% max O | 0.08% max C, 0.05% max N, 0.015% max H (sheet), 0.25% max Fe., 5.75 - 6.75% Al, 3.5 - 4.5% V, 0.13% max O |
| Type Structure | Alpha - Beta | Alpha - Beta |
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