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AWS ERNi-1 vs. Grade Ti-Pd18 Titanium

AWS ERNi-1 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 ERNi-1 and the bottom bar is grade Ti-Pd18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
110
Elongation at Break, % 22
17
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 69
40
Tensile Strength: Ultimate (UTS), MPa 470
710

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Melting Completion (Liquidus), °C 1360
1640
Melting Onset (Solidus), °C 1310
1590
Specific Heat Capacity, J/kg-K 450
550
Thermal Conductivity, W/m-K 73
8.2
Thermal Expansion, µm/m-K 11
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 19
2.7

Otherwise Unclassified Properties

Density, g/cm3 8.7
4.5
Embodied Carbon, kg CO2/kg material 11
41
Embodied Energy, MJ/kg 150
670
Embodied Water, L/kg 230
270

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
35
Strength to Weight: Axial, points 15
44
Strength to Weight: Bending, points 15
39
Thermal Diffusivity, mm2/s 19
3.3
Thermal Shock Resistance, points 17
52

Alloy Composition

Aluminum (Al), % 0 to 1.5
2.5 to 3.5
Carbon (C), % 0 to 0.15
0 to 0.1
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 1.0
0 to 0.25
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 93 to 98
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 0.75
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 2.0 to 3.5
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Residuals, % 0
0 to 0.4