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Grade 705C Zirconium vs. EN 1.4913 Stainless Steel

Grade 705C zirconium belongs to the otherwise unclassified metals classification, while EN 1.4913 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is grade 705C zirconium and the bottom bar is EN 1.4913 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 13
14 to 22
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
75
Tensile Strength: Ultimate (UTS), MPa 540
870 to 980
Tensile Strength: Yield (Proof), MPa 390
480 to 850

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 18
24
Thermal Expansion, µm/m-K 5.7
11

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 450
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 790
600 to 1860
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 22
31 to 35
Strength to Weight: Bending, points 22
26 to 28
Thermal Diffusivity, mm2/s 9.9
6.5
Thermal Shock Resistance, points 69
31 to 34

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0 to 0.0015
Carbon (C), % 0 to 0.1
0.17 to 0.23
Chromium (Cr), % 0
10 to 11.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
84.5 to 88.3
Manganese (Mn), % 0
0.4 to 0.9
Molybdenum (Mo), % 0
0.5 to 0.8
Nickel (Ni), % 0
0.2 to 0.6
Niobium (Nb), % 2.0 to 3.0
0.25 to 0.55
Nitrogen (N), % 0 to 0.030
0.050 to 0.1
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 0.015
Vanadium (V), % 0
0.1 to 0.3
Zirconium (Zr), % 91.9 to 98
0