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AWS ERNiCu-7 vs. Grade Ti-Pd18 Titanium

AWS ERNiCu-7 belongs to the nickel alloys classification, while grade Ti-Pd18 titanium belongs to the titanium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCu-7 and the bottom bar is grade Ti-Pd18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
110
Elongation at Break, % 34
17
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 61
40
Tensile Strength: Ultimate (UTS), MPa 550
710

Thermal Properties

Latent Heat of Fusion, J/g 280
410
Melting Completion (Liquidus), °C 1280
1640
Melting Onset (Solidus), °C 1240
1590
Specific Heat Capacity, J/kg-K 440
550
Thermal Conductivity, W/m-K 20
8.2
Thermal Expansion, µm/m-K 13
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.2
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.7

Otherwise Unclassified Properties

Density, g/cm3 8.7
4.5
Embodied Carbon, kg CO2/kg material 8.5
41
Embodied Energy, MJ/kg 120
670
Embodied Water, L/kg 250
270

Common Calculations

Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
35
Strength to Weight: Axial, points 18
44
Strength to Weight: Bending, points 17
39
Thermal Diffusivity, mm2/s 5.3
3.3
Thermal Shock Resistance, points 19
52

Alloy Composition

Aluminum (Al), % 0 to 1.3
2.5 to 3.5
Carbon (C), % 0 to 0.15
0 to 0.1
Copper (Cu), % 18.3 to 36.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 2.5
0 to 0.25
Manganese (Mn), % 0 to 4.0
0
Nickel (Ni), % 62 to 69
0 to 0.050
Oxygen (O), % 0
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.3
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 1.5 to 3.0
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Residuals, % 0
0 to 0.4