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AISI 301 Stainless Steel vs. Grade 5 Titanium

AISI 301 stainless steel belongs to the iron alloys classification, while grade 5 titanium belongs to the titanium alloys. There are 30 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 5 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 7.4 to 46
8.6 to 11
Fatigue Strength, MPa 210 to 600
530 to 630
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
40
Shear Strength, MPa 410 to 860
600 to 710
Tensile Strength: Ultimate (UTS), MPa 590 to 1460
1000 to 1190
Tensile Strength: Yield (Proof), MPa 230 to 1080
910 to 1110

Thermal Properties

Latent Heat of Fusion, J/g 280
410
Maximum Temperature: Mechanical, °C 840
330
Melting Completion (Liquidus), °C 1420
1610
Melting Onset (Solidus), °C 1400
1650
Specific Heat Capacity, J/kg-K 480
560
Thermal Conductivity, W/m-K 16
6.8
Thermal Expansion, µm/m-K 17
8.9

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 13
36
Density, g/cm3 7.8
4.4
Embodied Carbon, kg CO2/kg material 2.7
38
Embodied Energy, MJ/kg 39
610
Embodied Water, L/kg 130
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99 to 300
100 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 2970
3980 to 5880
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 21 to 52
62 to 75
Strength to Weight: Bending, points 20 to 37
50 to 56
Thermal Diffusivity, mm2/s 4.2
2.7
Thermal Shock Resistance, points 12 to 31
76 to 91

Alloy Composition


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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
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
87.4 to 91
Vanadium (V), % 0
3.5 to 4.5
Yttrium (Y), % 0
0 to 0.0050
Residuals, % 0
0 to 0.4

Comparable Variants