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Grade 704C Zirconium vs. AWS ENi-1

Grade 704C zirconium belongs to the otherwise unclassified metals classification, while AWS ENi-1 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 ENi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
180
Elongation at Break, % 11
22
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 36
69
Tensile Strength: Ultimate (UTS), MPa 470
470

Thermal Properties

Latent Heat of Fusion, J/g 240
310
Specific Heat Capacity, J/kg-K 270
450
Thermal Conductivity, W/m-K 21
73
Thermal Expansion, µm/m-K 5.9
11

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.7
Embodied Water, L/kg 460
230

Common Calculations

Stiffness to Weight: Axial, points 8.1
12
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 20
15
Strength to Weight: Bending, points 20
15
Thermal Diffusivity, mm2/s 12
19
Thermal Shock Resistance, points 58
17

Alloy Composition

Aluminum (Al), % 0
0 to 1.0
Carbon (C), % 0 to 0.1
0 to 0.1
Copper (Cu), % 0
0 to 0.25
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
0 to 0.75
Manganese (Mn), % 0
0 to 0.75
Nickel (Ni), % 0
92 to 99
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0
0 to 1.3
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 1.0 to 2.0
0
Titanium (Ti), % 0
1.0 to 4.0
Zirconium (Zr), % 92.9 to 99
0
Residuals, % 0
0 to 0.5