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Grade Ti-Pd18 Titanium vs. EN 1.6982 Stainless Steel

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while EN 1.6982 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 1.6982 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 17
17
Fatigue Strength, MPa 350
350
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 710
800
Tensile Strength: Yield (Proof), MPa 540
570

Thermal Properties

Latent Heat of Fusion, J/g 410
280
Maximum Temperature: Mechanical, °C 330
770
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
25
Thermal Expansion, µm/m-K 9.1
10

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 41
2.4
Embodied Energy, MJ/kg 670
33
Embodied Water, L/kg 270
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
820
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 44
28
Strength to Weight: Bending, points 39
25
Thermal Diffusivity, mm2/s 3.3
6.6
Thermal Shock Resistance, points 52
29

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.1
0 to 0.050
Chromium (Cr), % 0
12 to 13.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
78.7 to 84.5
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.7
Nickel (Ni), % 0 to 0.050
3.5 to 5.0
Oxygen (O), % 0 to 0.15
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.035
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