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AISI 302B Stainless Steel vs. Grade Ti-Pd16 Titanium

AISI 302B stainless steel belongs to the iron alloys classification, while grade Ti-Pd16 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 302B stainless steel and the bottom bar is grade Ti-Pd16 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 45
17
Fatigue Strength, MPa 210
200
Poisson's Ratio 0.28
0.32
Rockwell B Hardness 84
83
Shear Modulus, GPa 76
40
Tensile Strength: Ultimate (UTS), MPa 580
390
Tensile Strength: Yield (Proof), MPa 230
310

Thermal Properties

Latent Heat of Fusion, J/g 320
420
Maximum Temperature: Mechanical, °C 930
320
Melting Completion (Liquidus), °C 1400
1660
Melting Onset (Solidus), °C 1360
1610
Specific Heat Capacity, J/kg-K 490
540
Thermal Conductivity, W/m-K 17
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 2.6
7.1

Otherwise Unclassified Properties

Density, g/cm3 7.7
4.5
Embodied Carbon, kg CO2/kg material 3.0
36
Embodied Energy, MJ/kg 43
600
Embodied Water, L/kg 140
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
62
Resilience: Unit (Modulus of Resilience), kJ/m3 140
440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 21
24
Strength to Weight: Bending, points 20
26
Thermal Diffusivity, mm2/s 4.4
8.9
Thermal Shock Resistance, points 13
30

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.1
Chromium (Cr), % 17 to 19
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 65.7 to 73
0 to 0.3
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 8.0 to 10
0 to 0.030
Nitrogen (N), % 0 to 0.1
0
Oxygen (O), % 0
0 to 0.18
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 2.0 to 3.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
98.8 to 99.96
Residuals, % 0
0 to 0.4