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N08020 Stainless Steel vs. Grade Ti-Pd18 Titanium

N08020 stainless steel belongs to the iron alloys classification, while grade Ti-Pd18 titanium belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is N08020 stainless steel and the bottom bar is grade Ti-Pd18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 15 to 34
17
Fatigue Strength, MPa 210 to 240
350
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 610 to 620
710
Tensile Strength: Yield (Proof), MPa 270 to 420
540

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Maximum Temperature: Mechanical, °C 1100
330
Melting Completion (Liquidus), °C 1410
1640
Melting Onset (Solidus), °C 1360
1590
Specific Heat Capacity, J/kg-K 460
550
Thermal Conductivity, W/m-K 12
8.2
Thermal Expansion, µm/m-K 15
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
2.7

Otherwise Unclassified Properties

Density, g/cm3 8.2
4.5
Embodied Carbon, kg CO2/kg material 6.6
41
Embodied Energy, MJ/kg 92
670
Embodied Water, L/kg 220
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 170
110
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 440
1380
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 21
44
Strength to Weight: Bending, points 20
39
Thermal Diffusivity, mm2/s 3.2
3.3
Thermal Shock Resistance, points 15
52

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.5
Carbon (C), % 0 to 0.070
0 to 0.1
Chromium (Cr), % 19 to 21
0
Copper (Cu), % 3.0 to 4.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 29.9 to 44
0 to 0.25
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 32 to 38
0 to 0.050
Niobium (Nb), % 0 to 1.0
0
Oxygen (O), % 0
0 to 0.15
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 0.035
0
Titanium (Ti), % 0
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Residuals, % 0
0 to 0.4