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AISI 316N Stainless Steel vs. Grade 12 Titanium

AISI 316N stainless steel belongs to the iron alloys classification, while grade 12 titanium belongs to the titanium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 316N stainless steel and the bottom bar is grade 12 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 350
170
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 9.0 to 39
21
Fatigue Strength, MPa 230 to 450
280
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 78
39
Shear Strength, MPa 420 to 690
330
Tensile Strength: Ultimate (UTS), MPa 620 to 1160
530
Tensile Strength: Yield (Proof), MPa 270 to 870
410

Thermal Properties

Latent Heat of Fusion, J/g 290
420
Maximum Temperature: Mechanical, °C 940
320
Melting Completion (Liquidus), °C 1440
1660
Melting Onset (Solidus), °C 1400
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 16
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 19
37
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 3.9
31
Embodied Energy, MJ/kg 53
500
Embodied Water, L/kg 150
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95 to 230
110
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1880
770
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 22 to 41
32
Strength to Weight: Bending, points 20 to 31
32
Thermal Diffusivity, mm2/s 4.1
8.5
Thermal Shock Resistance, points 14 to 26
37

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 16 to 18
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 61.9 to 71.9
0 to 0.3
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 2.0 to 3.0
0.2 to 0.4
Nickel (Ni), % 10 to 14
0.6 to 0.9
Nitrogen (N), % 0.1 to 0.16
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
97.6 to 99.2
Residuals, % 0
0 to 0.4