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Grade Ti-Pd18 Titanium vs. EN 1.4905 Stainless Steel

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while EN 1.4905 stainless steel belongs to the iron alloys. There are 28 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 EN 1.4905 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 17
19
Fatigue Strength, MPa 350
330
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 710
740
Tensile Strength: Yield (Proof), MPa 540
510

Thermal Properties

Latent Heat of Fusion, J/g 410
270
Maximum Temperature: Mechanical, °C 330
660
Melting Completion (Liquidus), °C 1640
1480
Melting Onset (Solidus), °C 1590
1440
Specific Heat Capacity, J/kg-K 550
470
Thermal Conductivity, W/m-K 8.2
26
Thermal Expansion, µm/m-K 9.1
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
4.2

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 41
2.8
Embodied Energy, MJ/kg 670
40
Embodied Water, L/kg 270
90

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
680
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 44
26
Strength to Weight: Bending, points 39
23
Thermal Diffusivity, mm2/s 3.3
7.0
Thermal Shock Resistance, points 52
25

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0 to 0.040
Boron (B), % 0
0.00050 to 0.0050
Carbon (C), % 0 to 0.1
0.090 to 0.13
Chromium (Cr), % 0
8.5 to 9.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
86.2 to 88.8
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0 to 0.050
0.1 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.050 to 0.090
Oxygen (O), % 0 to 0.15
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0.1 to 0.5
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 92.5 to 95.5
0
Tungsten (W), % 0
0.9 to 1.1
Vanadium (V), % 2.0 to 3.0
0.18 to 0.25
Residuals, % 0 to 0.4
0