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AISI 316L Stainless Steel vs. Titanium 6-7

AISI 316L stainless steel belongs to the iron alloys classification, while titanium 6-7 belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AISI 316L stainless steel and the bottom bar is titanium 6-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 9.0 to 50
11
Fatigue Strength, MPa 170 to 450
530
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 78
45
Shear Strength, MPa 370 to 690
610
Tensile Strength: Ultimate (UTS), MPa 530 to 1160
1020
Tensile Strength: Yield (Proof), MPa 190 to 870
900

Thermal Properties

Latent Heat of Fusion, J/g 290
410
Maximum Temperature: Mechanical, °C 870
300
Melting Completion (Liquidus), °C 1400
1700
Melting Onset (Solidus), °C 1380
1650
Specific Heat Capacity, J/kg-K 470
520
Thermal Expansion, µm/m-K 16
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 19
75
Density, g/cm3 7.9
5.1
Embodied Carbon, kg CO2/kg material 3.9
34
Embodied Energy, MJ/kg 53
540
Embodied Water, L/kg 150
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 230
110
Resilience: Unit (Modulus of Resilience), kJ/m3 93 to 1880
3460
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
32
Strength to Weight: Axial, points 19 to 41
56
Strength to Weight: Bending, points 18 to 31
44
Thermal Shock Resistance, points 12 to 25
66

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 16 to 18
0
Hydrogen (H), % 0
0 to 0.0090
Iron (Fe), % 62 to 72
0 to 0.25
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 2.0 to 3.0
6.5 to 7.5
Nickel (Ni), % 10 to 14
0
Niobium (Nb), % 0
6.5 to 7.5
Nitrogen (N), % 0 to 0.1
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
84.9 to 88