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Grade 32 Titanium vs. R30556 Alloy

Grade 32 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 32 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, % 11
45
Fatigue Strength, MPa 390
320
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
81
Shear Strength, MPa 460
550
Tensile Strength: Ultimate (UTS), MPa 770
780
Tensile Strength: Yield (Proof), MPa 670
350

Thermal Properties

Latent Heat of Fusion, J/g 410
300
Maximum Temperature: Mechanical, °C 310
1100
Melting Completion (Liquidus), °C 1610
1420
Melting Onset (Solidus), °C 1560
1330
Specific Heat Capacity, J/kg-K 550
450
Thermal Conductivity, W/m-K 7.5
11
Thermal Expansion, µm/m-K 8.2
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 38
70
Density, g/cm3 4.5
8.4
Embodied Carbon, kg CO2/kg material 32
8.7
Embodied Energy, MJ/kg 530
130
Embodied Water, L/kg 180
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
290
Resilience: Unit (Modulus of Resilience), kJ/m3 2100
290
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 47
26
Strength to Weight: Bending, points 41
22
Thermal Diffusivity, mm2/s 3.0
2.9
Thermal Shock Resistance, points 63
18

Alloy Composition

Aluminum (Al), % 4.5 to 5.5
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 0.25
20.4 to 38.2
Lanthanum (La), % 0
0.0050 to 0.1
Manganese (Mn), % 0
0.5 to 2.0
Molybdenum (Mo), % 0.6 to 1.2
2.5 to 4.0
Nickel (Ni), % 0
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 0.11
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.060 to 0.14
0.2 to 0.8
Sulfur (S), % 0
0 to 0.015
Tantalum (Ta), % 0
0.3 to 1.3
Tin (Sn), % 0.6 to 1.4
0
Titanium (Ti), % 88.1 to 93
0
Tungsten (W), % 0
2.0 to 3.5
Vanadium (V), % 0.6 to 1.4
0
Zinc (Zn), % 0
0.0010 to 0.1
Zirconium (Zr), % 0.6 to 1.4
0
Residuals, % 0 to 0.4
0