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S32654 Stainless Steel vs. Grade 15 Titanium

S32654 stainless steel belongs to the iron alloys classification, while grade 15 titanium belongs to the titanium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S32654 stainless steel and the bottom bar is grade 15 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 45
20
Fatigue Strength, MPa 450
290
Poisson's Ratio 0.28
0.32
Reduction in Area, % 46
28
Shear Modulus, GPa 82
41
Shear Strength, MPa 590
340
Tensile Strength: Ultimate (UTS), MPa 850
540
Tensile Strength: Yield (Proof), MPa 490
430

Thermal Properties

Latent Heat of Fusion, J/g 310
420
Maximum Temperature: Mechanical, °C 1100
320
Melting Completion (Liquidus), °C 1450
1660
Melting Onset (Solidus), °C 1410
1610
Specific Heat Capacity, J/kg-K 460
540
Thermal Conductivity, W/m-K 11
21
Thermal Expansion, µm/m-K 15
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 34
37
Density, g/cm3 8.0
4.5
Embodied Carbon, kg CO2/kg material 6.4
32
Embodied Energy, MJ/kg 87
520
Embodied Water, L/kg 220
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
100
Resilience: Unit (Modulus of Resilience), kJ/m3 570
870
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 29
33
Strength to Weight: Bending, points 25
33
Thermal Diffusivity, mm2/s 2.9
8.4
Thermal Shock Resistance, points 19
41

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.080
Chromium (Cr), % 24 to 25
0
Copper (Cu), % 0.3 to 0.6
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 38.3 to 45.3
0 to 0.3
Manganese (Mn), % 2.0 to 4.0
0
Molybdenum (Mo), % 7.0 to 8.0
0
Nickel (Ni), % 21 to 23
0.4 to 0.6
Nitrogen (N), % 0.45 to 0.55
0 to 0.050
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.030
0
Ruthenium (Ru), % 0
0.040 to 0.060
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.0050
0
Titanium (Ti), % 0
98.2 to 99.56
Residuals, % 0
0 to 0.4