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AISI 304 Stainless Steel vs. Grade C-5 Titanium

AISI 304 stainless steel belongs to the iron alloys classification, while grade C-5 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 304 stainless steel and the bottom bar is grade C-5 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 360
310
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 8.0 to 43
6.7
Fatigue Strength, MPa 210 to 440
510
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 580 to 1180
1000
Tensile Strength: Yield (Proof), MPa 230 to 860
940

Thermal Properties

Latent Heat of Fusion, J/g 290
410
Maximum Temperature: Mechanical, °C 710
340
Melting Completion (Liquidus), °C 1450
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

Base Metal Price, % relative 15
36
Density, g/cm3 7.8
4.4
Embodied Carbon, kg CO2/kg material 3.0
38
Embodied Energy, MJ/kg 43
610
Embodied Water, L/kg 150
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 250
66
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1870
4200
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 21 to 42
63
Strength to Weight: Bending, points 20 to 32
50
Thermal Diffusivity, mm2/s 4.2
2.9
Thermal Shock Resistance, points 12 to 25
71

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0 to 0.080
0 to 0.1
Chromium (Cr), % 18 to 20
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 66.5 to 74
0 to 0.4
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 8.0 to 10.5
0 to 0.050
Nitrogen (N), % 0 to 0.1
0
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
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