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Grade Ti-Pd18 Titanium vs. ACI-ASTM CB30 Steel

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while ACI-ASTM CB30 steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade Ti-Pd18 titanium and the bottom bar is ACI-ASTM CB30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
210
Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 710
500
Tensile Strength: Yield (Proof), MPa 540
230

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 330
940
Melting Completion (Liquidus), °C 1640
1430
Melting Onset (Solidus), °C 1590
1380
Specific Heat Capacity, J/kg-K 550
480
Thermal Conductivity, W/m-K 8.2
21
Thermal Expansion, µm/m-K 9.1
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.0

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 41
2.3
Embodied Energy, MJ/kg 670
33
Embodied Water, L/kg 270
130

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 1380
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 44
18
Strength to Weight: Bending, points 39
18
Thermal Diffusivity, mm2/s 3.3
5.6
Thermal Shock Resistance, points 52
17

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.1
0 to 0.3
Chromium (Cr), % 0
18 to 21
Copper (Cu), % 0
0 to 1.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
72.9 to 82
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.050
0 to 2.0
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 to 1.5
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 92.5 to 95.5
0
Vanadium (V), % 2.0 to 3.0
0
Residuals, % 0 to 0.4
0