Titanium Alloys - Ti6Al7Nb Properties and Applications

Material: Titanium Alloys - Ti6Al7Nb Properties and Applications
Composition: Ti/6Al/7Nb
Property Minimum Value (S.I.) Maximum Value (S.I.) Units (S.I.) Minimum Value (Imp.) Maximum Value (Imp.) Units (Imp.)
Atomic Volume (average) 0.01 0.011 m3/kmol 610.237 671.261 in3/kmol
Density 4.51 4.53 Mg/m3 281.55 282.799 lb/ft3
Energy Content 750 1250 MJ/kg 81254 135423 kcal/lb
Bulk Modulus 111 142 GPa 16.0992 20.5953 106 psi
Compressive Strength 1074 1086 MPa 155.771 157.511 ksi
Ductility 0.1 0.15 0.1 0.15 NULL
Elastic Limit 895 905 MPa 129.809 131.259 ksi
Endurance Limit 559 564 MPa 81.076 81.8012 ksi
Fracture Toughness 68 75 MPa.m1/2 61.8832 68.2535 ksi.in1/2
Hardness 2700 2900 MPa 391.602 420.61 ksi
Loss Coefficient 0.001 0.002 0.001 0.002 NULL
Modulus of Rupture 984.5 995.5 MPa 142.79 144.385 ksi
Poisson's Ratio 0.35 0.37 0.35 0.37 NULL
Shear Modulus 36 41 GPa 5.22136 5.94655 106 psi
Tensile Strength 995 1005 MPa 144.313 145.763 ksi
Young's Modulus 100 110 GPa 14.5038 15.9541 106 psi
Glass Temperature K °F
Latent Heat of Fusion 360 370 kJ/kg 154.771 159.071 BTU/lb
Maximum Service Temperature 600 650 K 620.33 710.33 °F
Melting Point 1800 1860 K 2780.33 2888.33 °F
Minimum Service Temperature 0 K -459.67 °F
Specific Heat 540 560 J/kg.K 0.417883 0.433361 BTU/lb.F
Thermal Conductivity 7 8 W/m.K 13.1042 14.9763 BTU.ft/h.ft2.F
Thermal Expansion 8 9.8 10-6/K 14.4 17.64 10-6/°F
Breakdown Potential MV/m V/mil
Dielectric Constant NULL
Resistivity 126 158 10-8 ohm.m 126 158 10-8 ohm.m
Environmental Properties
  Resistance Factors
1=Poor 5=Excellent
Flammability 5
Fresh Water 5
Organic Solvents 5
Oxidation at 500C 4
Sea Water 5
Strong Acid 4
Strong Alkalis 4
UV 5
Wear 3
Weak Acid 5
Weak Alkalis 5