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AWS ERTi-12 vs. ASTM B563 Pd-Ag-Cu

AWS ERTi-12 belongs to the titanium alloys classification, while ASTM B563 Pd-Ag-Cu belongs to the otherwise unclassified metals. There are 18 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 AWS ERTi-12 and the bottom bar is ASTM B563 Pd-Ag-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 12
7.0 to 17
Poisson's Ratio 0.32
0.37
Shear Modulus, GPa 41
37
Tensile Strength: Ultimate (UTS), MPa 480
760 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 420
150
Melting Completion (Liquidus), °C 1670
1180
Melting Onset (Solidus), °C 1620
1030
Specific Heat Capacity, J/kg-K 540
260
Thermal Expansion, µm/m-K 8.7
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
5.6 to 6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
4.6 to 5.5

Otherwise Unclassified Properties

Density, g/cm3 4.5
11

Common Calculations

Stiffness to Weight: Axial, points 13
5.2
Stiffness to Weight: Bending, points 35
14
Strength to Weight: Axial, points 30
19 to 30
Strength to Weight: Bending, points 30
17 to 22
Thermal Shock Resistance, points 37
39 to 61

Alloy Composition

Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
15.5 to 16.5
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.15
0
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0.060 to 0.090
0.8 to 1.2
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Palladium (Pd), % 0
43 to 45
Platinum (Pt), % 0
0.8 to 1.2
Silver (Ag), % 0
37 to 39
Titanium (Ti), % 99.147 to 99.66
0
Residuals, % 0
0 to 0.4