MakeItFrom.com
Menu (ESC)

Grade Ti-Pd18 Titanium vs. ACI-ASTM CF20 Steel

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while ACI-ASTM CF20 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 CF20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
160
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 17
50
Fatigue Strength, MPa 350
240
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 710
530
Tensile Strength: Yield (Proof), MPa 540
250

Thermal Properties

Latent Heat of Fusion, J/g 410
300
Maximum Temperature: Mechanical, °C 330
970
Melting Completion (Liquidus), °C 1640
1420
Melting Onset (Solidus), °C 1590
1410
Specific Heat Capacity, J/kg-K 550
480
Thermal Conductivity, W/m-K 8.2
16
Thermal Expansion, µm/m-K 9.1
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.3

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 41
3.1
Embodied Energy, MJ/kg 670
44
Embodied Water, L/kg 270
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
220
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 44
19
Strength to Weight: Bending, points 39
19
Thermal Diffusivity, mm2/s 3.3
4.3
Thermal Shock Resistance, points 52
11

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.1
0 to 0.2
Chromium (Cr), % 0
18 to 21
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
64.2 to 74
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0 to 0.050
8.0 to 11
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 2.0
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