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» Titanium Grade 3

Unalloyed titanium offering improved strength and ASME Code design allowables with moderate ductility and excellent weldability. Highly corrosion-resistant in oxidizing and mildly reducing environments, including chlorides.

Composition Physical Data Mechanical Data Fabrication Information

» Composition

C < 0.1 %
Fe < 0.3 %
N2 < 0.05 %
O2 < 0.35 %
H2 (sheet) < 0.015 %
H2 (bar) < 0.0125 %
H2 (billet) < 0.0100 %
Ti = Rem

» Physical Data

  Minimum Typical
Density g/cm3 (lb/cu.in)   4.51(0.162)
Melting Range °C+/-15°C (°F)   1677(3051)
Specific Heat J/g/°C   0.54
µohm.cm (µohm.in)   56(22)
Thermal Conductivity W/mK(Btu/ft h°F) 22(153)  
*Mean Thermal Exp. Coeff. 0-100°C/°C   8.6 x 10 -6
*Mean Thermal Exp. Coeff. 0-300°C/°C   9.2 x 10 -6
Beta Transus °C+/-15°C(°F)   921 (1690)

» Mechanical Data

  Minimum Typical
Tensile Strength MPa(ksi) 448 (65) 593 (86)
0.2% Proof Stress MPa(ksi) 379 (55) 462 (67)
Elongation over 2 Inches % 18 25
Reduction in Area % 35  
Elastic Modulus GPa(Msi)   103 (15)
Hardness Bhn   200
Specified Bend Radius <0.070" x Thickness   2.0
Specified Bend Radius >0.070In x Thickness   2.5
Welded Bend Radius x Thickness 3.0  
Charpy, V-Notch Impact J(ft Ibf) 20 (15) 30 (22)
Direct Stress Fatigue Limit (Notch factor Kt4) MPa(ksi)   116 (17)
Direct Stress Fatigue Limit (Notch factor Kt3) MPa(ksi)   123 (18)
Direct Stress Fatigue Limit (Notch factor Kt2) MPa(ksi)   147 (21)
Direct Stress Fatigue Limit (Notch factor Kt1) MPa(ksi)   278 (40)
Direct Stress Fatigue Limit (Notch factor Kt3.3) MPa(ksi)   116 (17)
Direct Stress Fatigue Limit (Notch factor Kt2.0) MPa(ksi)   170 (25)
Direct Stress Fatigue Limit (Notch factor Kt1.5) MPa(ksi)   247 (36)
Direct Stress Fatigue Limit (Notch factor Kt1.2) MPa(ksi)   263 (38)
Direct Stress Fatigue Limit (Notch factor Kt1) MPa(ksi)   170 (25)
Rotating Bend Fatigue Limit (Notch factor Kt3.3)MPa(ksi)   170 (25)
Rotating Bend Fatigue Limit (Notch factor Kt2)MPa(ksi)   270 (39)
Rotating Bend Fatigue Limit (Notch factor Kt1)MPa(ksi)   165 (24)
Rotating Bend Fatigue Limit (Notch factor Kt3)MPa(ksi)   379 (55)
     
Short Term Creep, 1.0% Strain (1000h @ 250°C) MPa (ksi)   131 (19)
Stress Rupture (1000h @ 250°C) MPa   238

» Fabrication Information

Weldability Excellent
Forging Rough 907°C (1165°F), finish 843°C (1550°F)
Annealing 704°C (1300°F), 2 hr, AC
Stress Relief Annealing 482-538°C (900-1000°F), 45 min.