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Grade 705C Zirconium vs. ACI-ASTM CH10 Steel

Grade 705C zirconium belongs to the otherwise unclassified metals classification, while ACI-ASTM CH10 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grade 705C zirconium and the bottom bar is ACI-ASTM CH10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
160
Elastic (Young's, Tensile) Modulus, GPa 98
200
Elongation at Break, % 13
34
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 36
78
Tensile Strength: Ultimate (UTS), MPa 540
540
Tensile Strength: Yield (Proof), MPa 390
230

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 18
15
Thermal Expansion, µm/m-K 5.7
16

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 450
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
150
Resilience: Unit (Modulus of Resilience), kJ/m3 790
140
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 22
19
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 9.9
3.9
Thermal Shock Resistance, points 69
12

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.1
Chromium (Cr), % 0
22 to 26
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
54.8 to 66
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
12 to 15
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 to 0.040
Silicon (Si), % 0
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Zirconium (Zr), % 91.9 to 98
0