MakeItFrom.com
Menu (ESC)

Grade 21 Titanium vs. C81500 Copper

Grade 21 titanium belongs to the titanium alloys classification, while C81500 copper belongs to the copper alloys. There are 26 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 grade 21 titanium and the bottom bar is C81500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
120
Elongation at Break, % 9.0 to 17
17
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 51
44
Tensile Strength: Ultimate (UTS), MPa 890 to 1340
350
Tensile Strength: Yield (Proof), MPa 870 to 1170
280

Thermal Properties

Latent Heat of Fusion, J/g 410
210
Maximum Temperature: Mechanical, °C 310
200
Melting Completion (Liquidus), °C 1740
1090
Melting Onset (Solidus), °C 1690
1080
Specific Heat Capacity, J/kg-K 500
390
Thermal Conductivity, W/m-K 7.5
320
Thermal Expansion, µm/m-K 7.1
17

Otherwise Unclassified Properties

Base Metal Price, % relative 60
31
Density, g/cm3 5.4
8.9
Embodied Carbon, kg CO2/kg material 32
2.6
Embodied Energy, MJ/kg 490
41
Embodied Water, L/kg 180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 180
56
Resilience: Unit (Modulus of Resilience), kJ/m3 2760 to 5010
330
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 32
18
Strength to Weight: Axial, points 46 to 69
11
Strength to Weight: Bending, points 38 to 50
12
Thermal Diffusivity, mm2/s 2.8
91
Thermal Shock Resistance, points 66 to 100
12

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0 to 0.1
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 0
0.4 to 1.5
Copper (Cu), % 0
97.4 to 99.6
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 0.1
Lead (Pb), % 0
0 to 0.020
Molybdenum (Mo), % 14 to 16
0
Niobium (Nb), % 2.2 to 3.2
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.17
0
Silicon (Si), % 0.15 to 0.25
0 to 0.15
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 76 to 81.2
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5