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Grade 31 Titanium vs. CR003A Copper

Grade 31 titanium belongs to the titanium alloys classification, while CR003A copper belongs to the copper alloys. There are 27 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 31 titanium and the bottom bar is CR003A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 20
15
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
43
Tensile Strength: Ultimate (UTS), MPa 510
230
Tensile Strength: Yield (Proof), MPa 450
140

Thermal Properties

Latent Heat of Fusion, J/g 420
210
Maximum Temperature: Mechanical, °C 320
200
Melting Completion (Liquidus), °C 1660
1090
Melting Onset (Solidus), °C 1610
1040
Specific Heat Capacity, J/kg-K 540
390
Thermal Conductivity, W/m-K 21
380
Thermal Expansion, µm/m-K 8.7
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
100
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
100

Otherwise Unclassified Properties

Density, g/cm3 4.5
9.0
Embodied Carbon, kg CO2/kg material 36
2.6
Embodied Energy, MJ/kg 600
41
Embodied Water, L/kg 230
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
31
Resilience: Unit (Modulus of Resilience), kJ/m3 940
83
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 35
18
Strength to Weight: Axial, points 32
7.1
Strength to Weight: Bending, points 32
9.3
Thermal Diffusivity, mm2/s 8.5
110
Thermal Shock Resistance, points 39
8.1

Alloy Composition

Antimony (Sb), % 0
0 to 0.00040
Arsenic (As), % 0
0 to 0.00050
Bismuth (Bi), % 0
0 to 0.00020
Carbon (C), % 0 to 0.080
0
Cobalt (Co), % 0.2 to 0.8
0
Copper (Cu), % 0
99.954 to 100
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0 to 0.0010
Lead (Pb), % 0
0 to 0.00050
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.35
0 to 0.040
Palladium (Pd), % 0.040 to 0.080
0
Selenium (Se), % 0
0 to 0.00020
Silver (Ag), % 0
0 to 0.0025
Sulfur (S), % 0
0 to 0.0015
Tellurium (Te), % 0
0 to 0.00020
Titanium (Ti), % 97.9 to 99.76
0
Residuals, % 0 to 0.4
0