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S35315 Stainless Steel vs. Grade 16 Titanium

S35315 stainless steel belongs to the iron alloys classification, while grade 16 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S35315 stainless steel and the bottom bar is grade 16 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 46
23
Fatigue Strength, MPa 280
240
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 78
38
Shear Strength, MPa 520
250
Tensile Strength: Ultimate (UTS), MPa 740
400
Tensile Strength: Yield (Proof), MPa 300
340

Thermal Properties

Latent Heat of Fusion, J/g 330
420
Maximum Temperature: Mechanical, °C 1100
320
Melting Completion (Liquidus), °C 1370
1660
Melting Onset (Solidus), °C 1330
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 12
22
Thermal Expansion, µm/m-K 16
9.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
7.2

Otherwise Unclassified Properties

Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 5.7
36
Embodied Energy, MJ/kg 81
600
Embodied Water, L/kg 220
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
86
Resilience: Unit (Modulus of Resilience), kJ/m3 230
550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 26
25
Strength to Weight: Bending, points 23
27
Thermal Diffusivity, mm2/s 3.1
8.9
Thermal Shock Resistance, points 17
29

Alloy Composition

Carbon (C), % 0.040 to 0.080
0 to 0.080
Cerium (Ce), % 0.030 to 0.1
0
Chromium (Cr), % 24 to 26
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 33.6 to 40.6
0 to 0.3
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 34 to 36
0
Nitrogen (N), % 0.12 to 0.18
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.2 to 2.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
98.8 to 99.96
Residuals, % 0
0 to 0.4