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S32506 Stainless Steel vs. Grade 15 Titanium

S32506 stainless steel belongs to the iron alloys classification, while grade 15 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 S32506 stainless steel and the bottom bar is grade 15 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 21
20
Fatigue Strength, MPa 330
290
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 81
41
Shear Strength, MPa 440
340
Tensile Strength: Ultimate (UTS), MPa 710
540
Tensile Strength: Yield (Proof), MPa 500
430

Thermal Properties

Latent Heat of Fusion, J/g 300
420
Maximum Temperature: Mechanical, °C 1100
320
Melting Completion (Liquidus), °C 1450
1660
Melting Onset (Solidus), °C 1400
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 16
21
Thermal Expansion, µm/m-K 13
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 20
37
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 3.9
32
Embodied Energy, MJ/kg 54
520
Embodied Water, L/kg 180
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
100
Resilience: Unit (Modulus of Resilience), kJ/m3 620
870
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 25
33
Strength to Weight: Bending, points 23
33
Thermal Diffusivity, mm2/s 4.3
8.4
Thermal Shock Resistance, points 19
41

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 24 to 26
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 60.8 to 67.4
0 to 0.3
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 3.0 to 3.5
0
Nickel (Ni), % 5.5 to 7.2
0.4 to 0.6
Nitrogen (N), % 0.080 to 0.2
0 to 0.050
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.040
0
Ruthenium (Ru), % 0
0.040 to 0.060
Silicon (Si), % 0 to 0.9
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
98.2 to 99.56
Tungsten (W), % 0.050 to 0.3
0
Residuals, % 0
0 to 0.4