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Grade Ti-Pd18 Titanium vs. EN 1.4028 Stainless Steel

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while EN 1.4028 stainless steel 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 EN 1.4028 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 17
11 to 17
Fatigue Strength, MPa 350
230 to 400
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 710
660 to 930
Tensile Strength: Yield (Proof), MPa 540
390 to 730

Thermal Properties

Latent Heat of Fusion, J/g 410
270
Maximum Temperature: Mechanical, °C 330
760
Melting Completion (Liquidus), °C 1640
1440
Melting Onset (Solidus), °C 1590
1400
Specific Heat Capacity, J/kg-K 550
480
Thermal Conductivity, W/m-K 8.2
30
Thermal Expansion, µm/m-K 9.1
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.2

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 41
1.9
Embodied Energy, MJ/kg 670
27
Embodied Water, L/kg 270
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
94 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
380 to 1360
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 44
24 to 33
Strength to Weight: Bending, points 39
22 to 27
Thermal Diffusivity, mm2/s 3.3
8.1
Thermal Shock Resistance, points 52
23 to 32

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.1
0.26 to 0.35
Chromium (Cr), % 0
12 to 14
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
83.1 to 87.7
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0 to 0.050
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 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 92.5 to 95.5
0
Vanadium (V), % 2.0 to 3.0
0
Residuals, % 0 to 0.4
0