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Grade Ti-Pd16 Titanium vs. SAE-AISI 1108 Steel

Grade Ti-Pd16 titanium belongs to the titanium alloys classification, while SAE-AISI 1108 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-Pd16 titanium and the bottom bar is SAE-AISI 1108 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 17
23 to 34
Fatigue Strength, MPa 200
170 to 260
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 390
380 to 440
Tensile Strength: Yield (Proof), MPa 310
220 to 360

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
400
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 22
52
Thermal Expansion, µm/m-K 8.7
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
8.0

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 36
1.4
Embodied Energy, MJ/kg 600
18
Embodied Water, L/kg 230
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 62
95 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 440
130 to 340
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 24
13 to 16
Strength to Weight: Bending, points 26
15 to 16
Thermal Diffusivity, mm2/s 8.9
14
Thermal Shock Resistance, points 30
12 to 14

Alloy Composition

Carbon (C), % 0 to 0.1
0.080 to 0.13
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
98.9 to 99.24
Manganese (Mn), % 0
0.6 to 0.8
Nickel (Ni), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.040
Sulfur (S), % 0
0.080 to 0.13
Titanium (Ti), % 98.8 to 99.96
0
Residuals, % 0 to 0.4
0