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Grade 705C Zirconium vs. EN 1.6212 Steel

Grade 705C zirconium belongs to the otherwise unclassified metals classification, while EN 1.6212 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 1.6212 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
140
Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 13
27
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
73
Tensile Strength: Ultimate (UTS), MPa 540
470
Tensile Strength: Yield (Proof), MPa 390
310

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 18
50
Thermal Expansion, µm/m-K 5.7
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 450
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
110
Resilience: Unit (Modulus of Resilience), kJ/m3 790
260
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 22
17
Strength to Weight: Bending, points 22
17
Thermal Diffusivity, mm2/s 9.9
14
Thermal Shock Resistance, points 69
14

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.050
Carbon (C), % 0 to 0.1
0 to 0.14
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
96.9 to 99.13
Manganese (Mn), % 0
0.7 to 1.5
Nickel (Ni), % 0
0.15 to 0.8
Niobium (Nb), % 2.0 to 3.0
0 to 0.050
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 0.5
Sulfur (S), % 0
0 to 0.010
Vanadium (V), % 0
0 to 0.050
Zirconium (Zr), % 91.9 to 98
0