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Grade Ti-Pd17 Titanium vs. EN 1.4931 Steel

Grade Ti-Pd17 titanium belongs to the titanium alloys classification, while EN 1.4931 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-Pd17 titanium and the bottom bar is EN 1.4931 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
240
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 22
17
Fatigue Strength, MPa 140
410
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 270
810
Tensile Strength: Yield (Proof), MPa 190
620

Thermal Properties

Latent Heat of Fusion, J/g 420
270
Maximum Temperature: Mechanical, °C 320
600
Melting Completion (Liquidus), °C 1660
1460
Melting Onset (Solidus), °C 1610
1420
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 21
24
Thermal Expansion, µm/m-K 8.7
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
11

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 36
2.9
Embodied Energy, MJ/kg 600
42
Embodied Water, L/kg 230
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 55
130
Resilience: Unit (Modulus of Resilience), kJ/m3 180
970
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 17
29
Strength to Weight: Bending, points 21
25
Thermal Diffusivity, mm2/s 8.8
6.5
Thermal Shock Resistance, points 21
22

Alloy Composition

Carbon (C), % 0 to 0.1
0.2 to 0.26
Chromium (Cr), % 0
11.3 to 12.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
83.2 to 86.8
Manganese (Mn), % 0
0.5 to 0.8
Molybdenum (Mo), % 0
1.0 to 1.2
Nickel (Ni), % 0 to 0.030
0 to 1.0
Oxygen (O), % 0 to 0.25
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 98.9 to 99.96
0
Tungsten (W), % 0
0 to 0.5
Vanadium (V), % 0
0.25 to 0.35
Residuals, % 0 to 0.4
0