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Grade 704C Zirconium vs. AWS ERNiFeCr-2

Grade 704C zirconium belongs to the otherwise unclassified metals classification, while AWS ERNiFeCr-2 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 ERNiFeCr-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
190
Elongation at Break, % 11
28
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
75
Tensile Strength: Ultimate (UTS), MPa 470
1300

Thermal Properties

Latent Heat of Fusion, J/g 240
310
Specific Heat Capacity, J/kg-K 270
450
Thermal Conductivity, W/m-K 21
12
Thermal Expansion, µm/m-K 5.9
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.3
Embodied Water, L/kg 460
250

Common Calculations

Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 20
43
Strength to Weight: Bending, points 20
32
Thermal Diffusivity, mm2/s 12
3.2
Thermal Shock Resistance, points 58
38

Alloy Composition

Aluminum (Al), % 0
0.2 to 0.8
Boron (B), % 0
0 to 0.0030
Carbon (C), % 0 to 0.1
0 to 0.080
Chromium (Cr), % 0
17 to 21
Copper (Cu), % 0
0 to 0.3
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
11.6 to 24.6
Manganese (Mn), % 0
0 to 0.35
Molybdenum (Mo), % 0
2.8 to 3.3
Nickel (Ni), % 0
50 to 55
Niobium (Nb), % 0
4.8 to 5.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.010
0 to 0.015
Silicon (Si), % 0
0 to 0.35
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 1.0 to 2.0
0
Titanium (Ti), % 0
0.65 to 1.2
Zirconium (Zr), % 92.9 to 99
0
Residuals, % 0
0 to 0.5