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S32750 Stainless Steel vs. Grade C-5 Titanium

S32750 stainless steel belongs to the iron alloys classification, while grade C-5 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 S32750 stainless steel and the bottom bar is grade C-5 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
310
Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 17
6.7
Fatigue Strength, MPa 360
510
Poisson's Ratio 0.27
0.32
Rockwell C Hardness 28
34
Shear Modulus, GPa 81
40
Tensile Strength: Ultimate (UTS), MPa 860
1000
Tensile Strength: Yield (Proof), MPa 590
940

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Maximum Temperature: Mechanical, °C 1100
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 15
7.1
Thermal Expansion, µm/m-K 12
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 21
36
Density, g/cm3 7.8
4.4
Embodied Carbon, kg CO2/kg material 4.1
38
Embodied Energy, MJ/kg 56
610
Embodied Water, L/kg 180
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
66
Resilience: Unit (Modulus of Resilience), kJ/m3 860
4200
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 31
63
Strength to Weight: Bending, points 26
50
Thermal Diffusivity, mm2/s 4.0
2.9
Thermal Shock Resistance, points 25
71

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 0 to 0.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 58.1 to 66.8
0 to 0.4
Manganese (Mn), % 0 to 1.2
0
Molybdenum (Mo), % 3.0 to 5.0
0
Nickel (Ni), % 6.0 to 8.0
0 to 0.050
Nitrogen (N), % 0.24 to 0.32
0
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.8
0
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0
87.5 to 91
Vanadium (V), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4