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ASTM B628 Ag-Cu vs. Grade 23 Titanium

ASTM B628 Ag-Cu belongs to the otherwise unclassified metals classification, while grade 23 titanium belongs to the titanium alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, 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 ASTM B628 Ag-Cu and the bottom bar is grade 23 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
110
Elongation at Break, % 1.1 to 17
6.7 to 11
Poisson's Ratio 0.36
0.32
Shear Modulus, GPa 31
40
Shear Strength, MPa 210 to 430
540 to 570
Tensile Strength: Ultimate (UTS), MPa 350 to 760
930 to 940

Thermal Properties

Latent Heat of Fusion, J/g 140
410
Melting Completion (Liquidus), °C 780
1610
Melting Onset (Solidus), °C 780
1560
Specific Heat Capacity, J/kg-K 280
560
Thermal Expansion, µm/m-K 19
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 84
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 75
2.0

Otherwise Unclassified Properties

Density, g/cm3 10
4.4

Common Calculations

Stiffness to Weight: Axial, points 4.6
13
Stiffness to Weight: Bending, points 14
35
Strength to Weight: Axial, points 9.5 to 21
58 to 59
Strength to Weight: Bending, points 11 to 18
48
Thermal Shock Resistance, points 16 to 34
67 to 68

Alloy Composition

Aluminum (Al), % 0 to 0.0050
5.5 to 6.5
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 26.6 to 29
0
Hydrogen (H), % 0
0 to 0.013
Iron (Fe), % 0 to 0.050
0 to 0.25
Lead (Pb), % 0 to 0.030
0
Nickel (Ni), % 0 to 0.010
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.030
0
Silver (Ag), % 71 to 73
0
Titanium (Ti), % 0
88.1 to 91
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 0 to 0.060
0
Residuals, % 0 to 0.21
0 to 0.4

Comparable Variants