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Grade 704C Zirconium vs. AWS ENiCu-7

Grade 704C zirconium belongs to the otherwise unclassified metals classification, while AWS ENiCu-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 704C zirconium and the bottom bar is AWS ENiCu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
160
Elongation at Break, % 11
34
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 36
62
Tensile Strength: Ultimate (UTS), MPa 470
550

Thermal Properties

Latent Heat of Fusion, J/g 240
280
Specific Heat Capacity, J/kg-K 270
430
Thermal Conductivity, W/m-K 21
21
Thermal Expansion, µm/m-K 5.9
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.7
Embodied Water, L/kg 460
250

Common Calculations

Stiffness to Weight: Axial, points 8.1
10
Stiffness to Weight: Bending, points 23
21
Strength to Weight: Axial, points 20
17
Strength to Weight: Bending, points 20
17
Thermal Diffusivity, mm2/s 12
5.5
Thermal Shock Resistance, points 58
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.75
Carbon (C), % 0 to 0.1
0 to 0.1
Copper (Cu), % 0
20.6 to 38
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 0.3
0
Phosphorus (P), % 0 to 0.010
0 to 0.020
Silicon (Si), % 0
0 to 1.5
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 1.0 to 2.0
0
Titanium (Ti), % 0
0 to 1.0
Zirconium (Zr), % 92.9 to 99
0
Residuals, % 0
0 to 0.5