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Grade 705C Zirconium vs. EN 1.0434 Steel

Grade 705C zirconium belongs to the otherwise unclassified metals classification, while EN 1.0434 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 1.0434 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
110 to 160
Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 13
12 to 28
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
73
Tensile Strength: Ultimate (UTS), MPa 540
390 to 540
Tensile Strength: Yield (Proof), MPa 390
250 to 450

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 18
52
Thermal Expansion, µm/m-K 5.7
12

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.9
Embodied Water, L/kg 450
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
39 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 790
170 to 540
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 22
14 to 19
Strength to Weight: Bending, points 22
15 to 19
Thermal Diffusivity, mm2/s 9.9
14
Thermal Shock Resistance, points 69
12 to 17

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0 to 0.1
0.15 to 0.19
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
98.8 to 99.18
Manganese (Mn), % 0
0.65 to 0.85
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 0.025
Silicon (Si), % 0
0 to 0.1
Sulfur (S), % 0
0 to 0.025
Zirconium (Zr), % 91.9 to 98
0