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Grade 705C Zirconium vs. EN 1.5508 Steel

Grade 705C zirconium belongs to the otherwise unclassified metals classification, while EN 1.5508 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 1.5508 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
130 to 180
Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 13
11 to 20
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
73
Tensile Strength: Ultimate (UTS), MPa 540
420 to 1460
Tensile Strength: Yield (Proof), MPa 390
310 to 490

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 18
51
Thermal Expansion, µm/m-K 5.7
13

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
44 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 790
260 to 640
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 22
15 to 52
Strength to Weight: Bending, points 22
16 to 36
Thermal Diffusivity, mm2/s 9.9
14
Thermal Shock Resistance, points 69
12 to 43

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.1
0.2 to 0.25
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
97.9 to 99.199
Manganese (Mn), % 0
0.6 to 0.9
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 0.3
Sulfur (S), % 0
0 to 0.025
Zirconium (Zr), % 91.9 to 98
0