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Grade 704C Zirconium vs. EN 1.4869 Casting Alloy

Grade 704C zirconium belongs to the otherwise unclassified metals classification, while EN 1.4869 casting alloy belongs to the nickel alloys. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade 704C zirconium and the bottom bar is EN 1.4869 casting alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
210
Elongation at Break, % 11
5.7
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 36
80
Tensile Strength: Ultimate (UTS), MPa 470
540
Tensile Strength: Yield (Proof), MPa 310
310

Thermal Properties

Latent Heat of Fusion, J/g 240
330
Specific Heat Capacity, J/kg-K 270
460
Thermal Conductivity, W/m-K 21
10
Thermal Expansion, µm/m-K 5.9
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.5
Embodied Water, L/kg 460
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
26
Resilience: Unit (Modulus of Resilience), kJ/m3 490
230
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 20
18
Strength to Weight: Bending, points 20
17
Thermal Diffusivity, mm2/s 12
2.6
Thermal Shock Resistance, points 58
14

Alloy Composition

Carbon (C), % 0 to 0.1
0.45 to 0.55
Chromium (Cr), % 0
24 to 26
Cobalt (Co), % 0
14 to 16
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
11.4 to 23.6
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
33 to 37
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
1.0 to 2.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.0 to 2.0
0
Tungsten (W), % 0
4.0 to 6.0
Zirconium (Zr), % 92.9 to 99
0