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Grade 705C Zirconium vs. EN 1.5662 Steel

Grade 705C zirconium belongs to the otherwise unclassified metals classification, while EN 1.5662 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is grade 705C zirconium and the bottom bar is EN 1.5662 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
220 to 230
Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 13
20
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
73
Tensile Strength: Ultimate (UTS), MPa 540
740 to 750
Tensile Strength: Yield (Proof), MPa 390
550 to 660

Thermal Properties

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

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.0
Embodied Water, L/kg 450
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 790
810 to 1150
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 22
26
Strength to Weight: Bending, points 22
23
Thermal Shock Resistance, points 69
22

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.1
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
88.6 to 91.2
Manganese (Mn), % 0
0.3 to 0.8
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0
8.5 to 10
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 0.020
Silicon (Si), % 0
0 to 0.35
Sulfur (S), % 0
0 to 0.0050
Vanadium (V), % 0
0 to 0.050
Zirconium (Zr), % 91.9 to 98
0