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AISI 316LN Stainless Steel vs. Grade 34 Titanium

AISI 316LN stainless steel belongs to the iron alloys classification, while grade 34 titanium belongs to the titanium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 316LN stainless steel and the bottom bar is grade 34 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 42
20
Fatigue Strength, MPa 200
310
Poisson's Ratio 0.28
0.32
Reduction in Area, % 51
34
Shear Modulus, GPa 82
41
Shear Strength, MPa 410
320
Tensile Strength: Ultimate (UTS), MPa 590
510
Tensile Strength: Yield (Proof), MPa 230
450

Thermal Properties

Latent Heat of Fusion, J/g 290
420
Maximum Temperature: Mechanical, °C 940
320
Melting Completion (Liquidus), °C 1450
1660
Melting Onset (Solidus), °C 1380
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 17
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 19
55
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 3.8
33
Embodied Energy, MJ/kg 53
530
Embodied Water, L/kg 150
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
100
Resilience: Unit (Modulus of Resilience), kJ/m3 130
960
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 21
31
Strength to Weight: Bending, points 20
31
Thermal Diffusivity, mm2/s 4.1
8.4
Thermal Shock Resistance, points 13
39

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 16 to 18
0.1 to 0.2
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 62 to 71.9
0 to 0.3
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 10 to 14
0.35 to 0.55
Nitrogen (N), % 0.1 to 0.16
0 to 0.050
Oxygen (O), % 0
0 to 0.35
Palladium (Pd), % 0
0.010 to 0.020
Phosphorus (P), % 0 to 0.045
0
Ruthenium (Ru), % 0
0.020 to 0.040
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
98 to 99.52
Residuals, % 0
0 to 0.4