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R30556 Alloy vs. Titanium 15-3-3-3

R30556 alloy belongs to the iron alloys classification, while titanium 15-3-3-3 belongs to the titanium alloys. There are 29 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 R30556 alloy and the bottom bar is titanium 15-3-3-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
100
Elongation at Break, % 45
5.7 to 8.0
Fatigue Strength, MPa 320
610 to 710
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 81
39
Shear Strength, MPa 550
660 to 810
Tensile Strength: Ultimate (UTS), MPa 780
1120 to 1390
Tensile Strength: Yield (Proof), MPa 350
1100 to 1340

Thermal Properties

Latent Heat of Fusion, J/g 300
390
Maximum Temperature: Mechanical, °C 1100
430
Melting Completion (Liquidus), °C 1420
1620
Melting Onset (Solidus), °C 1330
1560
Specific Heat Capacity, J/kg-K 450
520
Thermal Conductivity, W/m-K 11
8.1
Thermal Expansion, µm/m-K 15
9.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 70
40
Density, g/cm3 8.4
4.8
Embodied Carbon, kg CO2/kg material 8.7
59
Embodied Energy, MJ/kg 130
950
Embodied Water, L/kg 300
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
78 to 89
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 23
32
Strength to Weight: Axial, points 26
64 to 80
Strength to Weight: Bending, points 22
50 to 57
Thermal Diffusivity, mm2/s 2.9
3.2
Thermal Shock Resistance, points 18
79 to 98

Alloy Composition

Aluminum (Al), % 0.1 to 0.5
2.5 to 3.5
Boron (B), % 0 to 0.020
0
Carbon (C), % 0.050 to 0.15
0 to 0.050
Chromium (Cr), % 21 to 23
2.5 to 3.5
Cobalt (Co), % 16 to 21
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 20.4 to 38.2
0 to 0.25
Lanthanum (La), % 0.0050 to 0.1
0
Manganese (Mn), % 0.5 to 2.0
0
Molybdenum (Mo), % 2.5 to 4.0
0
Nickel (Ni), % 19 to 22.5
0
Niobium (Nb), % 0 to 0.3
0
Nitrogen (N), % 0.1 to 0.3
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0.2 to 0.8
0
Sulfur (S), % 0 to 0.015
0
Tantalum (Ta), % 0.3 to 1.3
0
Tin (Sn), % 0
2.5 to 3.5
Titanium (Ti), % 0
72.6 to 78.5
Tungsten (W), % 2.0 to 3.5
0
Vanadium (V), % 0
14 to 16
Zinc (Zn), % 0.0010 to 0.1
0
Residuals, % 0
0 to 0.4