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AISI 301 Stainless Steel vs. Grade 24 Titanium

AISI 301 stainless steel belongs to the iron alloys classification, while grade 24 titanium belongs to the titanium alloys. There are 29 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 AISI 301 stainless steel and the bottom bar is grade 24 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 7.4 to 46
11
Fatigue Strength, MPa 210 to 600
550
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
40
Shear Strength, MPa 410 to 860
610
Tensile Strength: Ultimate (UTS), MPa 590 to 1460
1010
Tensile Strength: Yield (Proof), MPa 230 to 1080
940

Thermal Properties

Latent Heat of Fusion, J/g 280
410
Maximum Temperature: Mechanical, °C 840
340
Melting Completion (Liquidus), °C 1420
1610
Melting Onset (Solidus), °C 1400
1560
Specific Heat Capacity, J/kg-K 480
560
Thermal Conductivity, W/m-K 16
7.1
Thermal Expansion, µm/m-K 17
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.0

Otherwise Unclassified Properties

Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 2.7
43
Embodied Energy, MJ/kg 39
710
Embodied Water, L/kg 130
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99 to 300
110
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 2970
4160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 21 to 52
63
Strength to Weight: Bending, points 20 to 37
50
Thermal Diffusivity, mm2/s 4.2
2.9
Thermal Shock Resistance, points 12 to 31
72

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0 to 0.15
0 to 0.080
Chromium (Cr), % 16 to 18
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 70.7 to 78
0 to 0.4
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0 to 0.1
0 to 0.050
Oxygen (O), % 0
0 to 0.2
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
87.5 to 91
Vanadium (V), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4