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Grade 702C Zirconium vs. R30556 Alloy

Grade 702C zirconium belongs to the otherwise unclassified metals classification, while R30556 alloy belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is grade 702C zirconium and the bottom bar is R30556 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
210
Elongation at Break, % 13
45
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
81
Tensile Strength: Ultimate (UTS), MPa 430
780
Tensile Strength: Yield (Proof), MPa 310
350

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Specific Heat Capacity, J/kg-K 270
450
Thermal Conductivity, W/m-K 22
11
Thermal Expansion, µm/m-K 5.7
15

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.4
Embodied Water, L/kg 450
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
290
Resilience: Unit (Modulus of Resilience), kJ/m3 510
290
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 18
26
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 12
2.9
Thermal Shock Resistance, points 55
18

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.5
Boron (B), % 0
0 to 0.020
Carbon (C), % 0 to 0.1
0.050 to 0.15
Chromium (Cr), % 0
21 to 23
Cobalt (Co), % 0
16 to 21
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
20.4 to 38.2
Lanthanum (La), % 0
0.0050 to 0.1
Manganese (Mn), % 0
0.5 to 2.0
Molybdenum (Mo), % 0
2.5 to 4.0
Nickel (Ni), % 0
19 to 22.5
Niobium (Nb), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.030
0.1 to 0.3
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0
0.2 to 0.8
Sulfur (S), % 0
0 to 0.015
Tantalum (Ta), % 0
0.3 to 1.3
Tungsten (W), % 0
2.0 to 3.5
Zinc (Zn), % 0
0.0010 to 0.1
Zirconium (Zr), % 94.8 to 100
0