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C82400 Copper vs. Grade 21 Titanium

C82400 copper belongs to the copper alloys classification, while grade 21 titanium belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C82400 copper and the bottom bar is grade 21 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
140
Elongation at Break, % 1.0 to 20
9.0 to 17
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 45
51
Tensile Strength: Ultimate (UTS), MPa 500 to 1030
890 to 1340
Tensile Strength: Yield (Proof), MPa 260 to 970
870 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 230
410
Maximum Temperature: Mechanical, °C 270
310
Melting Completion (Liquidus), °C 1000
1740
Melting Onset (Solidus), °C 900
1690
Specific Heat Capacity, J/kg-K 380
500
Thermal Conductivity, W/m-K 130
7.5
Thermal Expansion, µm/m-K 17
7.1

Otherwise Unclassified Properties

Density, g/cm3 8.8
5.4
Embodied Carbon, kg CO2/kg material 8.9
32
Embodied Energy, MJ/kg 140
490
Embodied Water, L/kg 310
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 83
110 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 3870
2760 to 5010
Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 19
32
Strength to Weight: Axial, points 16 to 33
46 to 69
Strength to Weight: Bending, points 16 to 26
38 to 50
Thermal Diffusivity, mm2/s 39
2.8
Thermal Shock Resistance, points 17 to 36
66 to 100

Alloy Composition

Aluminum (Al), % 0 to 0.15
2.5 to 3.5
Beryllium (Be), % 1.6 to 1.9
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0 to 0.1
0
Cobalt (Co), % 0.2 to 0.65
0
Copper (Cu), % 96 to 98.2
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.2
0 to 0.4
Lead (Pb), % 0 to 0.020
0
Molybdenum (Mo), % 0
14 to 16
Nickel (Ni), % 0 to 0.2
0
Niobium (Nb), % 0
2.2 to 3.2
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.17
Silicon (Si), % 0
0.15 to 0.25
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.12
76 to 81.2
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.4

Comparable Variants