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Grade 705C Zirconium vs. ZA-27

Grade 705C zirconium belongs to the otherwise unclassified metals classification, while ZA-27 belongs to the zinc alloys. There are 22 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 705C zirconium and the bottom bar is ZA-27.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
100 to 120
Elastic (Young's, Tensile) Modulus, GPa 98
78
Elongation at Break, % 13
2.0 to 4.5
Poisson's Ratio 0.34
0.27
Rockwell B Hardness 87
60 to 72
Shear Modulus, GPa 36
31
Tensile Strength: Ultimate (UTS), MPa 540
400 to 430
Tensile Strength: Yield (Proof), MPa 390
260 to 370

Thermal Properties

Latent Heat of Fusion, J/g 250
130
Specific Heat Capacity, J/kg-K 270
530
Thermal Conductivity, W/m-K 18
130
Thermal Expansion, µm/m-K 5.7
26

Otherwise Unclassified Properties

Density, g/cm3 6.7
5.0
Embodied Water, L/kg 450
570

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
8.1 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 790
420 to 890
Stiffness to Weight: Axial, points 8.1
8.6
Stiffness to Weight: Bending, points 23
28
Strength to Weight: Axial, points 22
22 to 24
Strength to Weight: Bending, points 22
24 to 25
Thermal Diffusivity, mm2/s 9.9
47
Thermal Shock Resistance, points 69
14 to 15

Alloy Composition

Aluminum (Al), % 0
25 to 28
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
2.0 to 2.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
0 to 0.1
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.010 to 0.020
Nickel (Ni), % 0
0 to 0.020
Niobium (Nb), % 2.0 to 3.0
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0
0 to 0.080
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
69.3 to 73
Zirconium (Zr), % 91.9 to 98
0