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R30556 Alloy vs. Grade C-6 Titanium

R30556 alloy belongs to the iron alloys classification, while grade C-6 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is R30556 alloy and the bottom bar is grade C-6 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
100
Elongation at Break, % 45
9.0
Fatigue Strength, MPa 320
460
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 81
39
Tensile Strength: Ultimate (UTS), MPa 780
890
Tensile Strength: Yield (Proof), MPa 350
830

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Maximum Temperature: Mechanical, °C 1100
310
Melting Completion (Liquidus), °C 1420
1580
Melting Onset (Solidus), °C 1330
1530
Specific Heat Capacity, J/kg-K 450
550
Thermal Conductivity, W/m-K 11
7.8
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
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 70
36
Density, g/cm3 8.4
4.5
Embodied Carbon, kg CO2/kg material 8.7
30
Embodied Energy, MJ/kg 130
480
Embodied Water, L/kg 300
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
78
Resilience: Unit (Modulus of Resilience), kJ/m3 290
3300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 26
55
Strength to Weight: Bending, points 22
46
Thermal Diffusivity, mm2/s 2.9
3.2
Thermal Shock Resistance, points 18
63

Alloy Composition

Aluminum (Al), % 0.1 to 0.5
4.0 to 6.0
Boron (B), % 0 to 0.020
0
Carbon (C), % 0.050 to 0.15
0 to 0.1
Chromium (Cr), % 21 to 23
0
Cobalt (Co), % 16 to 21
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 20.4 to 38.2
0 to 0.5
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 to 0.050
Niobium (Nb), % 0 to 0.3
0
Nitrogen (N), % 0.1 to 0.3
0
Oxygen (O), % 0
0 to 0.2
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
2.0 to 3.0
Titanium (Ti), % 0
89.7 to 94
Tungsten (W), % 2.0 to 3.5
0
Zinc (Zn), % 0.0010 to 0.1
0
Residuals, % 0
0 to 0.4