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Grade 24 Titanium vs. AISI 204 Stainless Steel

Grade 24 titanium belongs to the titanium alloys classification, while AISI 204 stainless steel belongs to the iron alloys. There are 29 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 grade 24 titanium and the bottom bar is AISI 204 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 11
23 to 39
Fatigue Strength, MPa 550
320 to 720
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
77
Shear Strength, MPa 610
500 to 700
Tensile Strength: Ultimate (UTS), MPa 1010
730 to 1100
Tensile Strength: Yield (Proof), MPa 940
380 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 410
280
Maximum Temperature: Mechanical, °C 340
850
Melting Completion (Liquidus), °C 1610
1410
Melting Onset (Solidus), °C 1560
1370
Specific Heat Capacity, J/kg-K 560
480
Thermal Conductivity, W/m-K 7.1
15
Thermal Expansion, µm/m-K 9.6
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.9

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 43
2.4
Embodied Energy, MJ/kg 710
35
Embodied Water, L/kg 310
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
240 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 4160
360 to 2940
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 63
27 to 40
Strength to Weight: Bending, points 50
24 to 31
Thermal Diffusivity, mm2/s 2.9
4.1
Thermal Shock Resistance, points 72
16 to 24

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
15 to 17
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
69.6 to 76.4
Manganese (Mn), % 0
7.0 to 9.0
Nickel (Ni), % 0
1.5 to 3.0
Nitrogen (N), % 0 to 0.050
0.15 to 0.3
Oxygen (O), % 0 to 0.2
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 87.5 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0