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Grade 704C Zirconium vs. AWS ERNiCrMo-2

Grade 704C zirconium belongs to the otherwise unclassified metals classification, while AWS ERNiCrMo-2 belongs to the nickel alloys. There are 16 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is grade 704C zirconium and the bottom bar is AWS ERNiCrMo-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
210
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
81
Tensile Strength: Ultimate (UTS), MPa 470
750

Thermal Properties

Latent Heat of Fusion, J/g 240
320
Specific Heat Capacity, J/kg-K 270
450
Thermal Conductivity, W/m-K 21
11
Thermal Expansion, µm/m-K 5.9
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.4
Embodied Water, L/kg 460
270

Common Calculations

Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 20
25
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 12
2.9
Thermal Shock Resistance, points 58
20

Alloy Composition

Carbon (C), % 0 to 0.1
0.050 to 0.15
Chromium (Cr), % 0
20.5 to 23
Cobalt (Co), % 0
0.5 to 2.5
Copper (Cu), % 0
0 to 0.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
17 to 20
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0
40.3 to 53.8
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.0 to 2.0
0
Tungsten (W), % 0
0.2 to 1.0
Zirconium (Zr), % 92.9 to 99
0
Residuals, % 0
0 to 0.5