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» Ti-0.2Pd Grade 7

This alloy has mechanical properties similar to Grade 2 but has improved resistance to general and localized crevice corrosion in a wide range of reducing acid environments including chlorides, with a good balance of moderate strength, reasonable ductility and excellent weldability.

» Ti-0.05Pd (Grade 16)

Grade 16 is identical to Grade 7 with the exception of less palladium to increase its corrosion resistance. Mechanical and physical properties, specifications and forms are all identical to those of Grade 7.

The alloy composition differs by the reduction of Pd to 0.04-0.08%

» Ti-0.2Pd Grade 11

This alloy has mechanical properties similar to Grade 1 but has improved resistance to general and localized crevice corrosion in a wide range of reducing acid environments including chlorides, with a good balance of moderate strength, reasonable ductility and excellent weldability.

Composition Physical Data Mechanical Data Fabrication Information

» Composition

C < 0.1 %
Fe < 0.3 %
N2 < 0.03 %
Pd 0.12-0.25%
O2 < 0.25%
H2 (sheet) < 0.015 %
H2 (bar) < 0.0125 %
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 1µohm.cm (1µohm.in)   56(22)
Thermal Conductivity W/mK(Btu/ft h°F)   20.6 (143)
*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
Elastic Modulus GPa(Msi)   103 (15)
Hardness Bhn   160
Specified Bend Radius <0.070" x Thickness   2
Specified Bend Radius >0.070In x Thickness   2.5
Welded Bend Radius x Thickness 3  
Charpy, V-Notch Impact J(ft Ibf) 41 (30)  

» Fabrication Information

Weldability Excellent
Forging Rough 900°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.