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Grade 705C Zirconium vs. EN 1.8902 Steel

Grade 705C zirconium belongs to the otherwise unclassified metals classification, while EN 1.8902 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 EN 1.8902 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
180
Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 13
21
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
73
Tensile Strength: Ultimate (UTS), MPa 540
600
Tensile Strength: Yield (Proof), MPa 390
420

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 18
44
Thermal Expansion, µm/m-K 5.7
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 450
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
110
Resilience: Unit (Modulus of Resilience), kJ/m3 790
470
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 22
21
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 9.9
12
Thermal Shock Resistance, points 69
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.015
Carbon (C), % 0 to 0.1
0 to 0.22
Chromium (Cr), % 0
0 to 0.35
Copper (Cu), % 0
0 to 0.6
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
95 to 99.05
Manganese (Mn), % 0
1.0 to 1.8
Molybdenum (Mo), % 0
0 to 0.13
Nickel (Ni), % 0
0 to 0.85
Niobium (Nb), % 2.0 to 3.0
0 to 0.060
Nitrogen (N), % 0 to 0.030
0 to 0.027
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.010
0 to 0.035
Silicon (Si), % 0
0 to 0.65
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0
0 to 0.22
Zirconium (Zr), % 91.9 to 98
0