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Grade Ti-Pd18 Titanium vs. R30556 Alloy

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while R30556 alloy belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade Ti-Pd18 titanium and the bottom bar is R30556 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 17
45
Fatigue Strength, MPa 350
320
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
81
Tensile Strength: Ultimate (UTS), MPa 710
780
Tensile Strength: Yield (Proof), MPa 540
350

Thermal Properties

Latent Heat of Fusion, J/g 410
300
Maximum Temperature: Mechanical, °C 330
1100
Melting Completion (Liquidus), °C 1640
1420
Melting Onset (Solidus), °C 1590
1330
Specific Heat Capacity, J/kg-K 550
450
Thermal Conductivity, W/m-K 8.2
11
Thermal Expansion, µm/m-K 9.1
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
1.9

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.4
Embodied Carbon, kg CO2/kg material 41
8.7
Embodied Energy, MJ/kg 670
130
Embodied Water, L/kg 270
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
290
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
290
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 44
26
Strength to Weight: Bending, points 39
22
Thermal Diffusivity, mm2/s 3.3
2.9
Thermal Shock Resistance, points 52
18

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0.1 to 0.5
Boron (B), % 0
0 to 0.020
Carbon (C), % 0 to 0.1
0.050 to 0.15
Chromium (Cr), % 0
21 to 23
Cobalt (Co), % 0
16 to 21
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
20.4 to 38.2
Lanthanum (La), % 0
0.0050 to 0.1
Manganese (Mn), % 0
0.5 to 2.0
Molybdenum (Mo), % 0
2.5 to 4.0
Nickel (Ni), % 0 to 0.050
19 to 22.5
Niobium (Nb), % 0
0 to 0.3
Nitrogen (N), % 0
0.1 to 0.3
Oxygen (O), % 0 to 0.15
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0.2 to 0.8
Sulfur (S), % 0
0 to 0.015
Tantalum (Ta), % 0
0.3 to 1.3
Titanium (Ti), % 92.5 to 95.5
0
Tungsten (W), % 0
2.0 to 3.5
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
0.0010 to 0.1
Residuals, % 0 to 0.4
0