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Grade Ti-Pd18 Titanium vs. EN 1.4150 Stainless Steel

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while EN 1.4150 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 1.4150 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
220
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 17
20
Fatigue Strength, MPa 350
270
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 710
730
Tensile Strength: Yield (Proof), MPa 540
430

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 330
840
Melting Completion (Liquidus), °C 1640
1420
Melting Onset (Solidus), °C 1590
1380
Specific Heat Capacity, J/kg-K 550
490
Thermal Conductivity, W/m-K 8.2
23
Thermal Expansion, µm/m-K 9.1
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.8

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.6
Embodied Carbon, kg CO2/kg material 41
2.8
Embodied Energy, MJ/kg 670
42
Embodied Water, L/kg 270
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
470
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 44
27
Strength to Weight: Bending, points 39
24
Thermal Diffusivity, mm2/s 3.3
6.2
Thermal Shock Resistance, points 52
27

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.1
0.45 to 0.6
Chromium (Cr), % 0
15 to 16.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
79 to 82.8
Manganese (Mn), % 0
0 to 0.8
Molybdenum (Mo), % 0
0.2 to 0.4
Nickel (Ni), % 0 to 0.050
0 to 0.4
Nitrogen (N), % 0
0.050 to 0.2
Oxygen (O), % 0 to 0.15
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
1.3 to 1.7
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 92.5 to 95.5
0
Vanadium (V), % 2.0 to 3.0
0.2 to 0.4
Residuals, % 0 to 0.4
0