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AISI 317L Stainless Steel vs. Titanium 6-5-0.5

AISI 317L stainless steel belongs to the iron alloys classification, while titanium 6-5-0.5 belongs to the titanium alloys. There are 31 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 AISI 317L stainless steel and the bottom bar is titanium 6-5-0.5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 44
6.7
Fatigue Strength, MPa 220
530
Poisson's Ratio 0.28
0.32
Reduction in Area, % 56
23
Shear Modulus, GPa 82
40
Shear Strength, MPa 380
630
Tensile Strength: Ultimate (UTS), MPa 550
1080
Tensile Strength: Yield (Proof), MPa 250
990

Thermal Properties

Latent Heat of Fusion, J/g 290
410
Maximum Temperature: Mechanical, °C 1010
300
Melting Completion (Liquidus), °C 1400
1610
Melting Onset (Solidus), °C 1380
1560
Specific Heat Capacity, J/kg-K 470
550
Thermal Conductivity, W/m-K 14
4.2
Thermal Expansion, µm/m-K 17
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 21
41
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 4.3
33
Embodied Energy, MJ/kg 59
540
Embodied Water, L/kg 160
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
71
Resilience: Unit (Modulus of Resilience), kJ/m3 150
4630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 19
67
Strength to Weight: Bending, points 19
52
Thermal Diffusivity, mm2/s 3.8
1.7
Thermal Shock Resistance, points 12
79

Alloy Composition

Aluminum (Al), % 0
5.7 to 6.3
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 18 to 20
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 58 to 68
0 to 0.2
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 3.0 to 4.0
0.25 to 0.75
Nickel (Ni), % 11 to 15
0
Nitrogen (N), % 0 to 0.1
0 to 0.050
Oxygen (O), % 0
0 to 0.19
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0 to 0.4
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
85.6 to 90.1
Zirconium (Zr), % 0
4.0 to 6.0
Residuals, % 0
0 to 0.4