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CC380H Copper-nickel vs. Grade 21 Titanium

CC380H copper-nickel belongs to the copper alloys classification, while grade 21 titanium belongs to the titanium 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 CC380H copper-nickel 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, % 26
9.0 to 17
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 47
51
Tensile Strength: Ultimate (UTS), MPa 310
890 to 1340
Tensile Strength: Yield (Proof), MPa 120
870 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 220
410
Maximum Temperature: Mechanical, °C 220
310
Melting Completion (Liquidus), °C 1130
1740
Melting Onset (Solidus), °C 1080
1690
Specific Heat Capacity, J/kg-K 390
500
Thermal Conductivity, W/m-K 46
7.5
Thermal Expansion, µm/m-K 17
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 36
60
Density, g/cm3 8.9
5.4
Embodied Carbon, kg CO2/kg material 3.8
32
Embodied Energy, MJ/kg 58
490
Embodied Water, L/kg 300
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
110 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 59
2760 to 5010
Stiffness to Weight: Axial, points 7.8
14
Stiffness to Weight: Bending, points 19
32
Strength to Weight: Axial, points 9.8
46 to 69
Strength to Weight: Bending, points 12
38 to 50
Thermal Diffusivity, mm2/s 13
2.8
Thermal Shock Resistance, points 11
66 to 100

Alloy Composition

Aluminum (Al), % 0 to 0.010
2.5 to 3.5
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 84.5 to 89
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 1.0 to 1.8
0 to 0.4
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 1.0 to 1.5
0
Molybdenum (Mo), % 0
14 to 16
Nickel (Ni), % 9.0 to 11
0
Niobium (Nb), % 0 to 1.0
2.2 to 3.2
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.17
Silicon (Si), % 0 to 0.1
0.15 to 0.25
Titanium (Ti), % 0
76 to 81.2
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0
0 to 0.4