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AISI 310S Stainless Steel vs. Grade 17 Titanium

AISI 310S stainless steel belongs to the iron alloys classification, while grade 17 titanium belongs to the titanium alloys. There are 29 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 AISI 310S stainless steel and the bottom bar is grade 17 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 34 to 44
27
Fatigue Strength, MPa 250 to 280
160
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 79
38
Shear Strength, MPa 420 to 470
180
Tensile Strength: Ultimate (UTS), MPa 600 to 710
270
Tensile Strength: Yield (Proof), MPa 270 to 350
210

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 1400
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 16
23
Thermal Expansion, µm/m-K 16
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
7.3

Otherwise Unclassified Properties

Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 4.3
36
Embodied Energy, MJ/kg 61
600
Embodied Water, L/kg 190
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 220
68
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 310
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 21 to 25
17
Strength to Weight: Bending, points 20 to 22
21
Thermal Diffusivity, mm2/s 4.1
9.3
Thermal Shock Resistance, points 14 to 16
21

Alloy Composition


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Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 24 to 26
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 48.3 to 57
0 to 0.2
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 19 to 22
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
99.015 to 99.96
Residuals, % 0
0 to 0.4