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S32050 Stainless Steel vs. Grade 9 Titanium

S32050 stainless steel belongs to the iron alloys classification, while grade 9 titanium belongs to the titanium alloys. There are 30 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 S32050 stainless steel and the bottom bar is grade 9 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 46
11 to 17
Fatigue Strength, MPa 340
330 to 480
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 81
40
Shear Strength, MPa 540
430 to 580
Tensile Strength: Ultimate (UTS), MPa 770
700 to 960
Tensile Strength: Yield (Proof), MPa 370
540 to 830

Thermal Properties

Latent Heat of Fusion, J/g 310
410
Maximum Temperature: Mechanical, °C 1100
330
Melting Completion (Liquidus), °C 1460
1640
Melting Onset (Solidus), °C 1410
1590
Specific Heat Capacity, J/kg-K 470
550
Thermal Conductivity, W/m-K 12
8.1
Thermal Expansion, µm/m-K 16
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
37
Density, g/cm3 8.0
4.5
Embodied Carbon, kg CO2/kg material 6.0
36
Embodied Energy, MJ/kg 81
580
Embodied Water, L/kg 210
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
89 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 330
1380 to 3220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 27
43 to 60
Strength to Weight: Bending, points 23
39 to 48
Thermal Diffusivity, mm2/s 3.3
3.3
Thermal Shock Resistance, points 17
52 to 71

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.5
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 22 to 24
0
Copper (Cu), % 0 to 0.4
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 43.1 to 51.8
0 to 0.25
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 6.0 to 6.6
0
Nickel (Ni), % 20 to 23
0
Nitrogen (N), % 0.21 to 0.32
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0
92.6 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Residuals, % 0
0 to 0.4