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Grade 705C Zirconium vs. EN 1.4419 Stainless Steel

Grade 705C zirconium belongs to the otherwise unclassified metals classification, while EN 1.4419 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 1.4419 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
200
Elongation at Break, % 13
11 to 17
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
76
Tensile Strength: Ultimate (UTS), MPa 540
660 to 1590
Tensile Strength: Yield (Proof), MPa 390
370 to 1240

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 18
30
Thermal Expansion, µm/m-K 5.7
11

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.7
Embodied Water, L/kg 450
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
95 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 790
350 to 3920
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 22
24 to 57
Strength to Weight: Bending, points 22
22 to 39
Thermal Diffusivity, mm2/s 9.9
8.1
Thermal Shock Resistance, points 69
23 to 55

Alloy Composition

Carbon (C), % 0 to 0.1
0.36 to 0.42
Chromium (Cr), % 0
13 to 14.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
82 to 86
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0.6 to 1.0
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 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Zirconium (Zr), % 91.9 to 98
0