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AISI 316L Stainless Steel vs. Grade 9 Titanium

AISI 316L stainless steel belongs to the iron alloys classification, while grade 9 titanium belongs to the titanium alloys. There are 30 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 AISI 316L stainless steel and the bottom bar is grade 9 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 9.0 to 50
11 to 17
Fatigue Strength, MPa 170 to 450
330 to 480
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 78
40
Shear Strength, MPa 370 to 690
430 to 580
Tensile Strength: Ultimate (UTS), MPa 530 to 1160
700 to 960
Tensile Strength: Yield (Proof), MPa 190 to 870
540 to 830

Thermal Properties

Latent Heat of Fusion, J/g 290
410
Maximum Temperature: Mechanical, °C 870
330
Melting Completion (Liquidus), °C 1400
1640
Melting Onset (Solidus), °C 1380
1590
Specific Heat Capacity, J/kg-K 470
550
Thermal Conductivity, W/m-K 15
8.1
Thermal Expansion, µm/m-K 16
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 19
37
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 3.9
36
Embodied Energy, MJ/kg 53
580
Embodied Water, L/kg 150
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 230
89 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 93 to 1880
1380 to 3220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 19 to 41
43 to 60
Strength to Weight: Bending, points 18 to 31
39 to 48
Thermal Diffusivity, mm2/s 4.1
3.3
Thermal Shock Resistance, points 12 to 25
52 to 71

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.5
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 16 to 18
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 62 to 72
0 to 0.25
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 10 to 14
0
Nitrogen (N), % 0 to 0.1
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
92.6 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Residuals, % 0
0 to 0.4

Comparable Variants