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Grade 3 Titanium vs. N08801 Stainless Steel

Grade 3 titanium belongs to the titanium alloys classification, while N08801 stainless steel belongs to the iron alloys. There are 30 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 grade 3 titanium and the bottom bar is N08801 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 21
34
Fatigue Strength, MPa 300
260
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 39
77
Shear Strength, MPa 320
570
Tensile Strength: Ultimate (UTS), MPa 510
860
Tensile Strength: Yield (Proof), MPa 440
190

Thermal Properties

Latent Heat of Fusion, J/g 420
300
Maximum Temperature: Mechanical, °C 320
1090
Melting Completion (Liquidus), °C 1660
1390
Melting Onset (Solidus), °C 1610
1360
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 21
12
Thermal Expansion, µm/m-K 9.2
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 6.6
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 37
30
Density, g/cm3 4.5
8.0
Embodied Carbon, kg CO2/kg material 31
5.5
Embodied Energy, MJ/kg 510
79
Embodied Water, L/kg 110
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
220
Resilience: Unit (Modulus of Resilience), kJ/m3 910
92
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 32
30
Strength to Weight: Bending, points 32
25
Thermal Diffusivity, mm2/s 8.6
3.3
Thermal Shock Resistance, points 37
20

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.1
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 0
0 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
39.5 to 50.3
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
30 to 34
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.35
0
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 98.8 to 100
0.75 to 1.5
Residuals, % 0 to 0.4
0