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Grade 702C Zirconium vs. C72500 Copper-nickel

Grade 702C zirconium belongs to the otherwise unclassified metals classification, while C72500 copper-nickel belongs to the copper alloys. There are 17 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is grade 702C zirconium and the bottom bar is C72500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
120
Poisson's Ratio 0.34
0.34
Rockwell B Hardness 84
75 to 100
Shear Modulus, GPa 36
45
Tensile Strength: Ultimate (UTS), MPa 430
420 to 780

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Specific Heat Capacity, J/kg-K 270
390
Thermal Conductivity, W/m-K 22
54
Thermal Expansion, µm/m-K 5.7
17

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.9
Embodied Water, L/kg 450
320

Common Calculations

Stiffness to Weight: Axial, points 8.1
7.6
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 18
13 to 24
Strength to Weight: Bending, points 19
14 to 21
Thermal Diffusivity, mm2/s 12
16
Thermal Shock Resistance, points 55
14 to 27

Alloy Composition


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Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
85.2 to 89.7
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
0 to 0.6
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0
8.5 to 10.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.010
0
Tin (Sn), % 0
1.8 to 2.8
Zinc (Zn), % 0
0 to 0.5
Zirconium (Zr), % 94.8 to 100
0
Residuals, % 0
0 to 0.2