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Grade 2 Titanium vs. N08320 Stainless Steel

Grade 2 titanium belongs to the titanium alloys classification, while N08320 stainless steel belongs to the iron 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 grade 2 titanium and the bottom bar is N08320 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
190
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 23
40
Fatigue Strength, MPa 250
190
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 38
78
Shear Strength, MPa 270
400
Tensile Strength: Ultimate (UTS), MPa 420
580
Tensile Strength: Yield (Proof), MPa 360
220

Thermal Properties

Latent Heat of Fusion, J/g 420
300
Maximum Temperature: Mechanical, °C 320
1100
Melting Completion (Liquidus), °C 1660
1400
Melting Onset (Solidus), °C 1610
1350
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 22
12
Thermal Expansion, µm/m-K 9.0
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 37
28
Density, g/cm3 4.5
8.0
Embodied Carbon, kg CO2/kg material 31
4.9
Embodied Energy, MJ/kg 510
69
Embodied Water, L/kg 110
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
180
Resilience: Unit (Modulus of Resilience), kJ/m3 600
120
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 26
20
Strength to Weight: Bending, points 28
20
Thermal Diffusivity, mm2/s 8.9
3.3
Thermal Shock Resistance, points 32
13

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.050
Chromium (Cr), % 0
21 to 23
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
40.4 to 50
Manganese (Mn), % 0
0 to 2.5
Nickel (Ni), % 0
25 to 27
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 98.9 to 100
0
Residuals, % 0 to 0.4
0