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Grade 702C Zirconium vs. AWS ER120S-1

Grade 702C zirconium belongs to the otherwise unclassified metals classification, while AWS ER120S-1 belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade 702C zirconium and the bottom bar is AWS ER120S-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
190
Elongation at Break, % 13
17
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
73
Tensile Strength: Ultimate (UTS), MPa 430
930
Tensile Strength: Yield (Proof), MPa 310
830

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 22
46
Thermal Expansion, µm/m-K 5.7
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 450
56

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
150
Resilience: Unit (Modulus of Resilience), kJ/m3 510
1850
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
33
Strength to Weight: Bending, points 19
27
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 55
27

Alloy Composition


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Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0 to 0.1
0 to 0.1
Chromium (Cr), % 0
0 to 0.6
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
92.4 to 96.1
Manganese (Mn), % 0
1.4 to 1.8
Molybdenum (Mo), % 0
0.3 to 0.65
Nickel (Ni), % 0
2.0 to 2.8
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.010
0 to 0.010
Silicon (Si), % 0
0.25 to 0.6
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0 to 0.1
Vanadium (V), % 0
0 to 0.030
Zirconium (Zr), % 94.8 to 100
0 to 0.1
Residuals, % 0
0 to 0.5