Ti 6Al 6V 2Sn

ASTM Grade (UNS No.)6Al 6V 2Sn (R56620)
Chemical Composition (Max. values unless range is shown)(wt. %)0.08C; 0.04N; 0.20O; 5.0-6.0Al; 5.0-6.0V; 1.5-2.5Sn; 0.35-1.0Fe; 0.35-1.0 Cu; 0.0125H (billet); 0.015H (bar, sheet, plate)
TENSILE PROPERTIESGuar.R.T. Min.*Typical Elevated Temperature Properties
204˚C (400˚F)315˚C (600˚F)427°C (800°F)
Ultimate StrengthMPa (ksi)1034 (150)1070 (155)1000 (145)930 (135)
Yield Strength, 0.2% offsetMPa (ksi)965 (140)930 (135)827 (120)793 (115)
Elongation in 51 mm (2″) gage length(%)10L, 8T
Reduction in Area – Bar, Billet & Forging only(%)20L, 15T
OTHER MECHANICAL PROPERTIES * For sections ≤ 51mm, Annealed Condition
Stress to Rupture in Time ShownStressMPa (ksi)
Time-Hrs. at Temp. (˚C)
Stress &Time to Produce Elongation Shown (creep)StressMPa (ksi)655 (95)276 (40)124 (18)
Time-Hrs. at Temp. (˚C)100 (315)100 (370)100 (427)
Creep(%)0.20.20.2
Charpy V-Notch Impact @ R.T.Joules (ft-lbs)16 – 19 (12 – 14)
Bend RadiusUnder 1.78 mm (0.070″) thick4.0 x Thickness
1.78 mm (0.070″) and over4.5 x Thickness
Welded Bend Radius
Nominal Hardness38 HRC (Ann. condition)
PHYSICAL PROPERTIES
Nominal Beta Transus°C (°F)946 (1735)
Coefficient of Thermal Expansion 10-6/˚C (10-6/˚F)0-100˚C (32 -212˚F)9.0 (5.0)
0-315˚C (32-600˚F)9.3 (5.2)
0-538˚C (32-1000˚F)9.5 (5.3)
0-648˚C (32-1200˚F)10.7 (6.0)
0-816˚C (32-1500˚F)10.9 (6.1)
Densityg/cm3 (lbs/in3)4.54 (0.164)
Melting Point, Approx.°C (°F)1650 (3000) – 1704 (3100)
Electrical Resistivity @ R.T.10-6 ohm•cm (10-6 ohm•in)157 (398)
Modulus of Elasticity – TensionGPa (103 ksi)114 (16.5)
Modulus of Elasticity – TorsionGPa (103 ksi)
Thermal ConductivityW/m•˚C (BTU/hr•ft•˚F)5.5 (3.2)
Specific HeatJ/Kg•˚C (BTU/lb•˚F)635 (0.155)
WeldabilityLimited
Industry SpecificationsAMS 4918, 4936, 4971, 4978 and 4979; MIL-T – 9046 and – 9047