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Grade 14 Titanium vs. R30556 Alloy

Grade 14 titanium belongs to the titanium alloys classification, while R30556 alloy belongs to the iron alloys. There are 30 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 grade 14 titanium and the bottom bar is R30556 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 23
45
Fatigue Strength, MPa 220
320
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
81
Shear Strength, MPa 290
550
Tensile Strength: Ultimate (UTS), MPa 460
780
Tensile Strength: Yield (Proof), MPa 310
350

Thermal Properties

Latent Heat of Fusion, J/g 420
300
Maximum Temperature: Mechanical, °C 320
1100
Melting Completion (Liquidus), °C 1660
1420
Melting Onset (Solidus), °C 1610
1330
Specific Heat Capacity, J/kg-K 540
450
Thermal Conductivity, W/m-K 21
11
Thermal Expansion, µm/m-K 8.7
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 37
70
Density, g/cm3 4.5
8.4
Embodied Carbon, kg CO2/kg material 32
8.7
Embodied Energy, MJ/kg 520
130
Embodied Water, L/kg 210
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
290
Resilience: Unit (Modulus of Resilience), kJ/m3 450
290
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 28
26
Strength to Weight: Bending, points 29
22
Thermal Diffusivity, mm2/s 8.5
2.9
Thermal Shock Resistance, points 35
18

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.5
Boron (B), % 0
0 to 0.020
Carbon (C), % 0 to 0.080
0.050 to 0.15
Chromium (Cr), % 0
21 to 23
Cobalt (Co), % 0
16 to 21
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
20.4 to 38.2
Lanthanum (La), % 0
0.0050 to 0.1
Manganese (Mn), % 0
0.5 to 2.0
Molybdenum (Mo), % 0
2.5 to 4.0
Nickel (Ni), % 0.4 to 0.6
19 to 22.5
Niobium (Nb), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.030
0.1 to 0.3
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.040
Ruthenium (Ru), % 0.040 to 0.060
0
Silicon (Si), % 0
0.2 to 0.8
Sulfur (S), % 0
0 to 0.015
Tantalum (Ta), % 0
0.3 to 1.3
Titanium (Ti), % 98.4 to 99.56
0
Tungsten (W), % 0
2.0 to 3.5
Zinc (Zn), % 0
0.0010 to 0.1
Residuals, % 0 to 0.4
0