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Grade 705C Zirconium vs. EN 1.4710 Stainless Steel

Grade 705C zirconium belongs to the otherwise unclassified metals classification, while EN 1.4710 stainless steel belongs to the iron alloys. There are 14 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

For each property being compared, the top bar is grade 705C zirconium and the bottom bar is EN 1.4710 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
260
Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 13
20
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
74

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 18
24
Thermal Expansion, µm/m-K 5.7
9.9

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.7
Embodied Water, L/kg 450
76

Common Calculations

Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Thermal Diffusivity, mm2/s 9.9
6.5

Alloy Composition

Carbon (C), % 0 to 0.1
0.2 to 0.35
Chromium (Cr), % 0
6.0 to 8.0
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
87.4 to 92.3
Manganese (Mn), % 0
0.5 to 1.0
Molybdenum (Mo), % 0
0 to 0.15
Nickel (Ni), % 0
0 to 0.5
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 0.035
Silicon (Si), % 0
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Zirconium (Zr), % 91.9 to 98
0