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Grade 705C Zirconium vs. EN 1.4150 Stainless Steel

Grade 705C zirconium belongs to the otherwise unclassified metals classification, while EN 1.4150 stainless steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is grade 705C zirconium and the bottom bar is EN 1.4150 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
220
Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 13
20
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
76
Tensile Strength: Ultimate (UTS), MPa 540
730
Tensile Strength: Yield (Proof), MPa 390
430

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Specific Heat Capacity, J/kg-K 270
490
Thermal Conductivity, W/m-K 18
23
Thermal Expansion, µm/m-K 5.7
10

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.6
Embodied Water, L/kg 450
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
120
Resilience: Unit (Modulus of Resilience), kJ/m3 790
470
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 22
27
Strength to Weight: Bending, points 22
24
Thermal Diffusivity, mm2/s 9.9
6.2
Thermal Shock Resistance, points 69
27

Alloy Composition

Carbon (C), % 0 to 0.1
0.45 to 0.6
Chromium (Cr), % 0
15 to 16.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
79 to 82.8
Manganese (Mn), % 0
0 to 0.8
Molybdenum (Mo), % 0
0.2 to 0.4
Nickel (Ni), % 0
0 to 0.4
Niobium (Nb), % 2.0 to 3.0
0
Nitrogen (N), % 0 to 0.030
0.050 to 0.2
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0
1.3 to 1.7
Sulfur (S), % 0
0 to 0.010
Vanadium (V), % 0
0.2 to 0.4
Zirconium (Zr), % 91.9 to 98
0