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Grade 705C Zirconium vs. EN 1.5503 Steel

Grade 705C zirconium belongs to the otherwise unclassified metals classification, while EN 1.5503 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 1.5503 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
120 to 160
Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 13
12 to 17
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
73
Tensile Strength: Ultimate (UTS), MPa 540
400 to 520
Tensile Strength: Yield (Proof), MPa 390
270 to 430

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
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 450
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
41 to 81
Resilience: Unit (Modulus of Resilience), kJ/m3 790
200 to 490
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 18
Thermal Diffusivity, mm2/s 9.9
14
Thermal Shock Resistance, points 69
12 to 15

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.1
0.16 to 0.2
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
98.4 to 99.239
Manganese (Mn), % 0
0.6 to 0.8
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