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S41050 Stainless Steel vs. Grade 17 Titanium

S41050 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 (6, in this case) are not shown.

For each property being compared, the top bar is S41050 stainless steel and the bottom bar is grade 17 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 25
27
Fatigue Strength, MPa 160
160
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
38
Shear Strength, MPa 300
180
Tensile Strength: Ultimate (UTS), MPa 470
270
Tensile Strength: Yield (Proof), MPa 230
210

Thermal Properties

Latent Heat of Fusion, J/g 270
420
Maximum Temperature: Mechanical, °C 720
320
Melting Completion (Liquidus), °C 1440
1660
Melting Onset (Solidus), °C 1400
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 27
23
Thermal Expansion, µm/m-K 10
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
7.3

Otherwise Unclassified Properties

Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 1.9
36
Embodied Energy, MJ/kg 27
600
Embodied Water, L/kg 97
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98
68
Resilience: Unit (Modulus of Resilience), kJ/m3 140
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 17
17
Strength to Weight: Bending, points 17
21
Thermal Diffusivity, mm2/s 7.2
9.3
Thermal Shock Resistance, points 17
21

Alloy Composition


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Carbon (C), % 0 to 0.040
0 to 0.080
Chromium (Cr), % 10.5 to 12.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 84.2 to 88.9
0 to 0.2
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0.6 to 1.1
0
Nitrogen (N), % 0 to 0.1
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 1.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
99.015 to 99.96
Residuals, % 0
0 to 0.4