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Grade 2 Titanium vs. N08031 Stainless Steel

Grade 2 titanium belongs to the titanium alloys classification, while N08031 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade 2 titanium and the bottom bar is N08031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 23
45
Fatigue Strength, MPa 250
290
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 38
81
Shear Strength, MPa 270
510
Tensile Strength: Ultimate (UTS), MPa 420
730
Tensile Strength: Yield (Proof), MPa 360
310

Thermal Properties

Latent Heat of Fusion, J/g 420
310
Maximum Temperature: Mechanical, °C 320
1100
Melting Completion (Liquidus), °C 1660
1440
Melting Onset (Solidus), °C 1610
1390
Specific Heat Capacity, J/kg-K 540
460
Thermal Conductivity, W/m-K 22
12
Thermal Expansion, µm/m-K 9.0
18

Otherwise Unclassified Properties

Base Metal Price, % relative 37
39
Density, g/cm3 4.5
8.1
Embodied Carbon, kg CO2/kg material 31
7.1
Embodied Energy, MJ/kg 510
96
Embodied Water, L/kg 110
240

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
270
Resilience: Unit (Modulus of Resilience), kJ/m3 600
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 26
25
Strength to Weight: Bending, points 28
22
Thermal Diffusivity, mm2/s 8.9
3.1
Thermal Shock Resistance, points 32
14

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.015
Chromium (Cr), % 0
26 to 28
Copper (Cu), % 0
1.0 to 1.4
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
29 to 36.9
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0
30 to 32
Nitrogen (N), % 0 to 0.030
0.15 to 0.25
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 98.9 to 100
0
Residuals, % 0 to 0.4
0