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Grade 702C Zirconium vs. AWS ERNiCu-7

Grade 702C zirconium belongs to the otherwise unclassified metals classification, while AWS ERNiCu-7 belongs to the nickel alloys. There are 17 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grade 702C zirconium and the bottom bar is AWS ERNiCu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
160
Elongation at Break, % 13
34
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 36
61
Tensile Strength: Ultimate (UTS), MPa 430
550

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Specific Heat Capacity, J/kg-K 270
440
Thermal Conductivity, W/m-K 22
20
Thermal Expansion, µm/m-K 5.7
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.7
Embodied Water, L/kg 450
250

Common Calculations

Stiffness to Weight: Axial, points 8.1
10
Stiffness to Weight: Bending, points 23
21
Strength to Weight: Axial, points 18
18
Strength to Weight: Bending, points 19
17
Thermal Diffusivity, mm2/s 12
5.3
Thermal Shock Resistance, points 55
19

Alloy Composition


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Aluminum (Al), % 0
0 to 1.3
Carbon (C), % 0 to 0.1
0 to 0.15
Copper (Cu), % 0
18.3 to 36.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
0 to 2.5
Manganese (Mn), % 0
0 to 4.0
Nickel (Ni), % 0
62 to 69
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0
0 to 1.3
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
1.5 to 3.0
Zirconium (Zr), % 94.8 to 100
0
Residuals, % 0
0 to 0.5