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» Titanium Grade 2

Unalloyed titanium "workhorse" for industrial service, offering an excellent balance of moderate strength and reasonable ductility and formability with excellent weldability. Highly corrosion-resistant in highly oxidizing and mildly reducing environments, including chlorides.

Composition Physical Data Mechanical Data Fabrication Information

» Composition

C < 0.1 %
Fe < 0.3 %
N2 < 0.03 %
O2 < 0.25 %
H2 (sheet) < 0.015 %
H2 (bar) < 0.0125 %
H2 (billet) < 0.01 %
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
Volume Electrical Resistivity 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)   913 (1675)

» Mechanical Data

  Minimum Typical
Tensile Strength MPa(ksi) 345 (50) 483 (70)
0.2% Proof Stress MPa(ksi) 276 (40)

352 (51)
Elongation over 2 Inches % 20 28
Reduction in Area % 35  
Elastic Modulus GPa(Msi)   103 (15)
Hardness Bhn   160
Specified Bend Radius <0.070" x Thickness   2.0
Specified Bend Radius >0.070In x Thickness   2.5
Welded Bend Radius x Thickness 3  
Charpy, V-Notch Impact J(ft Ibf) 41 (30) 114 (84)
Charpy, V-Notch Impact J(ft Ibf)   302 (223)
Short Term Creep, 1.0% Strain (1000h @ 250°C) MPa (ksi)   103 (15)
Stress Rupture (1000h @ 250°C) MPa   117

» Fabrication Information

Weldability Excellent
Forging Rough 899°C (1650°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.