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Grade 1 Titanium vs. R30556 Alloy

Grade 1 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 (4, in this case) are not shown.

For each property being compared, the top bar is grade 1 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, % 28
45
Fatigue Strength, MPa 170
320
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 39
81
Shear Strength, MPa 200
550
Tensile Strength: Ultimate (UTS), MPa 310
780
Tensile Strength: Yield (Proof), MPa 220
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 20
11
Thermal Expansion, µm/m-K 8.8
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 37
70
Density, g/cm3 4.5
8.4
Embodied Carbon, kg CO2/kg material 31
8.7
Embodied Energy, MJ/kg 510
130
Embodied Water, L/kg 110
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
290
Resilience: Unit (Modulus of Resilience), kJ/m3 230
290
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 19
26
Strength to Weight: Bending, points 23
22
Thermal Diffusivity, mm2/s 8.2
2.9
Thermal Shock Resistance, points 24
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 0.2
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
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 0.18
0
Phosphorus (P), % 0
0 to 0.040
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), % 99.095 to 100
0
Tungsten (W), % 0
2.0 to 3.5
Zinc (Zn), % 0
0.0010 to 0.1
Residuals, % 0 to 0.4
0