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Grade 704C Zirconium vs. EN 1.8505 Steel

Grade 704C zirconium belongs to the otherwise unclassified metals classification, while EN 1.8505 steel belongs to the iron alloys. There are 21 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 EN 1.8505 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
320
Elastic (Young's, Tensile) Modulus, GPa 97
190
Elongation at Break, % 11
13
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
73
Tensile Strength: Ultimate (UTS), MPa 470
1050
Tensile Strength: Yield (Proof), MPa 310
860

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 21
39
Thermal Expansion, µm/m-K 5.9
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 460
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
120
Resilience: Unit (Modulus of Resilience), kJ/m3 490
1950
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 20
37
Strength to Weight: Bending, points 20
30
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 58
31

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.1
0.28 to 0.35
Chromium (Cr), % 0
1.5 to 1.8
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
95.4 to 97.1
Manganese (Mn), % 0
0.4 to 0.7
Molybdenum (Mo), % 0
0.2 to 0.4
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.010
0 to 0.025
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Tin (Sn), % 1.0 to 2.0
0
Zirconium (Zr), % 92.9 to 99
0