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Grade 27 Titanium vs. 90-silver 10-nickel

Grade 27 titanium belongs to the titanium alloys classification, while 90-silver 10-nickel belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is grade 27 titanium and the bottom bar is 90-silver 10-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
82
Poisson's Ratio 0.32
0.36
Shear Modulus, GPa 41
30
Tensile Strength: Ultimate (UTS), MPa 270
250 to 420

Thermal Properties

Latent Heat of Fusion, J/g 420
130
Melting Completion (Liquidus), °C 1660
840
Melting Onset (Solidus), °C 1610
960
Specific Heat Capacity, J/kg-K 540
260
Thermal Expansion, µm/m-K 8.7
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
90
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
79

Otherwise Unclassified Properties

Density, g/cm3 4.5
10

Common Calculations

Stiffness to Weight: Axial, points 13
4.4
Stiffness to Weight: Bending, points 35
14
Strength to Weight: Axial, points 17
6.7 to 11
Strength to Weight: Bending, points 21
8.5 to 12
Thermal Shock Resistance, points 21
11 to 19

Alloy Composition

Carbon (C), % 0 to 0.080
0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
0
Nickel (Ni), % 0
8.8 to 11
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Ruthenium (Ru), % 0.080 to 0.14
0
Silver (Ag), % 0
89 to 91
Titanium (Ti), % 99 to 99.92
0
Residuals, % 0
0 to 0.2