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Low-oxygen Zirconium vs. AWS ERNiCu-7

Low-oxygen 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 (10, in this case) are not shown.

For each property being compared, the top bar is low-oxygen zirconium and the bottom bar is AWS ERNiCu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
160
Elongation at Break, % 23
34
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 37
61
Tensile Strength: Ultimate (UTS), MPa 330
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 14
18
Strength to Weight: Bending, points 16
17
Thermal Diffusivity, mm2/s 12
5.3
Thermal Shock Resistance, points 42
19

Alloy Composition

Aluminum (Al), % 0
0 to 1.3
Carbon (C), % 0 to 0.050
0 to 0.15
Chromium (Cr), % 0 to 0.2
0
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 0.2
0 to 2.5
Manganese (Mn), % 0
0 to 4.0
Nickel (Ni), % 0
62 to 69
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.1
0
Phosphorus (P), % 0
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), % 94.7 to 100
0
Residuals, % 0
0 to 0.5