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Commercially Pure Silver vs. Grade 21 Titanium

Commercially pure silver belongs to the otherwise unclassified metals classification, while grade 21 titanium belongs to the titanium alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is commercially pure silver and the bottom bar is grade 21 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
140
Elongation at Break, % 1.1 to 29
9.0 to 17
Poisson's Ratio 0.37
0.32
Shear Modulus, GPa 26
51
Shear Strength, MPa 120 to 190
550 to 790
Tensile Strength: Ultimate (UTS), MPa 190 to 340
890 to 1340

Thermal Properties

Latent Heat of Fusion, J/g 110
410
Melting Completion (Liquidus), °C 960
1740
Melting Onset (Solidus), °C 960
1690
Specific Heat Capacity, J/kg-K 240
500
Thermal Conductivity, W/m-K 420
7.5
Thermal Expansion, µm/m-K 20
7.1

Otherwise Unclassified Properties

Density, g/cm3 10
5.4

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 13
32
Strength to Weight: Axial, points 4.9 to 8.9
46 to 69
Strength to Weight: Bending, points 6.9 to 10
38 to 50
Thermal Diffusivity, mm2/s 170
2.8
Thermal Shock Resistance, points 9.5 to 17
66 to 100

Alloy Composition


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Aluminum (Al), % 0
2.5 to 3.5
Carbon (C), % 0
0 to 0.050
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0
0 to 0.4
Molybdenum (Mo), % 0
14 to 16
Niobium (Nb), % 0
2.2 to 3.2
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.17
Silicon (Si), % 0
0.15 to 0.25
Silver (Ag), % 99.9 to 100
0
Titanium (Ti), % 0
76 to 81.2
Residuals, % 0 to 0.1
0 to 0.4

Comparable Variants