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Grade 702C Zirconium vs. AWS E385

Grade 702C zirconium belongs to the otherwise unclassified metals classification, while AWS E385 belongs to the iron alloys. There are 17 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 702C zirconium and the bottom bar is AWS E385.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
200
Elongation at Break, % 13
34
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
79
Tensile Strength: Ultimate (UTS), MPa 430
580

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Specific Heat Capacity, J/kg-K 270
460
Thermal Conductivity, W/m-K 22
14
Thermal Expansion, µm/m-K 5.7
14

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.1
Embodied Water, L/kg 450
200

Common Calculations

Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
20
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 12
3.6
Thermal Shock Resistance, points 55
15

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 0
19.5 to 21.5
Copper (Cu), % 0
1.2 to 2.0
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
41.8 to 50.1
Manganese (Mn), % 0
1.0 to 2.5
Molybdenum (Mo), % 0
4.2 to 5.2
Nickel (Ni), % 0
24 to 26
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0
0 to 0.9
Sulfur (S), % 0
0 to 0.020
Zirconium (Zr), % 94.8 to 100
0