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Grade 702C Zirconium vs. AWS ERNiFeCr-2

Grade 702C 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 702C 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, % 13
28
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
75
Tensile Strength: Ultimate (UTS), MPa 430
1300

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Specific Heat Capacity, J/kg-K 270
450
Thermal Conductivity, W/m-K 22
12
Thermal Expansion, µm/m-K 5.7
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.3
Embodied Water, L/kg 450
250

Common Calculations

Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 18
43
Strength to Weight: Bending, points 19
32
Thermal Diffusivity, mm2/s 12
3.2
Thermal Shock Resistance, points 55
38

Alloy Composition


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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 0.25
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
Titanium (Ti), % 0
0.65 to 1.2
Zirconium (Zr), % 94.8 to 100
0
Residuals, % 0
0 to 0.5