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AISI 384 Stainless Steel vs. Grade Ti-Pd16 Titanium

AISI 384 stainless steel belongs to the iron alloys classification, while grade Ti-Pd16 titanium belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AISI 384 stainless steel and the bottom bar is grade Ti-Pd16 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
180
Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
40
Tensile Strength: Ultimate (UTS), MPa 480
390

Thermal Properties

Latent Heat of Fusion, J/g 290
420
Maximum Temperature: Mechanical, °C 910
320
Melting Completion (Liquidus), °C 1420
1660
Melting Onset (Solidus), °C 1380
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 16
22
Thermal Expansion, µm/m-K 16
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
7.1

Otherwise Unclassified Properties

Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 3.7
36
Embodied Energy, MJ/kg 52
600
Embodied Water, L/kg 150
230

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 17
24
Strength to Weight: Bending, points 17
26
Thermal Diffusivity, mm2/s 4.3
8.9
Thermal Shock Resistance, points 11
30

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.1
Chromium (Cr), % 15 to 17
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 60.9 to 68
0 to 0.3
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 17 to 19
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
98.8 to 99.96
Residuals, % 0
0 to 0.4