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S39274 Stainless Steel vs. Titanium 6-5-0.5

S39274 stainless steel belongs to the iron alloys classification, while titanium 6-5-0.5 belongs to the titanium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S39274 stainless steel and the bottom bar is titanium 6-5-0.5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
100
Elongation at Break, % 17
6.7
Fatigue Strength, MPa 380
530
Poisson's Ratio 0.27
0.32
Reduction in Area, % 34
23
Shear Modulus, GPa 81
40
Shear Strength, MPa 560
630
Tensile Strength: Ultimate (UTS), MPa 900
1080
Tensile Strength: Yield (Proof), MPa 620
990

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Maximum Temperature: Mechanical, °C 1100
300
Melting Completion (Liquidus), °C 1480
1610
Melting Onset (Solidus), °C 1430
1560
Specific Heat Capacity, J/kg-K 470
550
Thermal Conductivity, W/m-K 16
4.2
Thermal Expansion, µm/m-K 13
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 24
41
Density, g/cm3 8.0
4.5
Embodied Carbon, kg CO2/kg material 4.3
33
Embodied Energy, MJ/kg 60
540
Embodied Water, L/kg 180
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
71
Resilience: Unit (Modulus of Resilience), kJ/m3 940
4630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 32
67
Strength to Weight: Bending, points 26
52
Thermal Diffusivity, mm2/s 4.2
1.7
Thermal Shock Resistance, points 25
79

Alloy Composition

Aluminum (Al), % 0
5.7 to 6.3
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 0.2 to 0.8
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 57 to 65.6
0 to 0.2
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 2.5 to 3.5
0.25 to 0.75
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0.24 to 0.32
0 to 0.050
Oxygen (O), % 0
0 to 0.19
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.8
0 to 0.4
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0
85.6 to 90.1
Tungsten (W), % 1.5 to 2.5
0
Zirconium (Zr), % 0
4.0 to 6.0
Residuals, % 0
0 to 0.4