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Grade 705C Zirconium vs. EN 1.1203 Steel

Grade 705C zirconium belongs to the otherwise unclassified metals classification, while EN 1.1203 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is grade 705C zirconium and the bottom bar is EN 1.1203 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
200 to 230
Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 13
12 to 15
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
72
Tensile Strength: Ultimate (UTS), MPa 540
690 to 780
Tensile Strength: Yield (Proof), MPa 390
340 to 480

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 18
48
Thermal Expansion, µm/m-K 5.7
12

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 450
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
69 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 790
310 to 610
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 22
25 to 28
Strength to Weight: Bending, points 22
22 to 24
Thermal Diffusivity, mm2/s 9.9
13
Thermal Shock Resistance, points 69
22 to 25

Alloy Composition

Carbon (C), % 0 to 0.1
0.52 to 0.6
Chromium (Cr), % 0
0 to 0.4
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
97.1 to 98.9
Manganese (Mn), % 0
0.6 to 0.9
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.4
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 0.035
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Zirconium (Zr), % 91.9 to 98
0