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SAE-AISI 9254 Steel vs. Grade Ti-Pd16 Titanium

SAE-AISI 9254 steel belongs to the iron alloys classification, while grade Ti-Pd16 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 9254 steel and the bottom bar is grade Ti-Pd16 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
180
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 20
17
Fatigue Strength, MPa 280
200
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 72
40
Tensile Strength: Ultimate (UTS), MPa 660
390
Tensile Strength: Yield (Proof), MPa 410
310

Thermal Properties

Latent Heat of Fusion, J/g 270
420
Maximum Temperature: Mechanical, °C 410
320
Melting Completion (Liquidus), °C 1440
1660
Melting Onset (Solidus), °C 1400
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 46
22
Thermal Expansion, µm/m-K 13
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
7.1

Otherwise Unclassified Properties

Density, g/cm3 7.7
4.5
Embodied Carbon, kg CO2/kg material 1.5
36
Embodied Energy, MJ/kg 20
600
Embodied Water, L/kg 49
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
62
Resilience: Unit (Modulus of Resilience), kJ/m3 450
440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 24
24
Strength to Weight: Bending, points 22
26
Thermal Diffusivity, mm2/s 12
8.9
Thermal Shock Resistance, points 20
30

Alloy Composition

Carbon (C), % 0.51 to 0.59
0 to 0.1
Chromium (Cr), % 0.6 to 0.8
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 96.1 to 97.1
0 to 0.3
Manganese (Mn), % 0.6 to 0.8
0
Nickel (Ni), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 1.2 to 1.6
0
Sulfur (S), % 0 to 0.040
0
Titanium (Ti), % 0
98.8 to 99.96
Residuals, % 0
0 to 0.4