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Grade 704C Zirconium vs. ACI-ASTM CE8MN Steel

Grade 704C zirconium belongs to the otherwise unclassified metals classification, while ACI-ASTM CE8MN steel belongs to the iron alloys. There are 20 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 704C zirconium and the bottom bar is ACI-ASTM CE8MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
200
Elongation at Break, % 11
29
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 36
80
Tensile Strength: Ultimate (UTS), MPa 470
750
Tensile Strength: Yield (Proof), MPa 310
500

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 21
16
Thermal Expansion, µm/m-K 5.9
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 460
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
190
Resilience: Unit (Modulus of Resilience), kJ/m3 490
620
Stiffness to Weight: Axial, points 8.1
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 20
27
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 12
4.2
Thermal Shock Resistance, points 58
21

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.080
Chromium (Cr), % 0
22.5 to 25.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
56 to 66.4
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 4.5
Nickel (Ni), % 0
8.0 to 11
Nitrogen (N), % 0 to 0.030
0.1 to 0.3
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 1.0 to 2.0
0
Zirconium (Zr), % 92.9 to 99
0