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Grade 704C Zirconium vs. Nickel 685

Grade 704C zirconium belongs to the otherwise unclassified metals classification, while nickel 685 belongs to the nickel alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade 704C zirconium and the bottom bar is nickel 685.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
350
Elastic (Young's, Tensile) Modulus, GPa 97
200
Elongation at Break, % 11
17
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
77
Tensile Strength: Ultimate (UTS), MPa 470
1250
Tensile Strength: Yield (Proof), MPa 310
850

Thermal Properties

Latent Heat of Fusion, J/g 240
320
Specific Heat Capacity, J/kg-K 270
460
Thermal Conductivity, W/m-K 21
13
Thermal Expansion, µm/m-K 5.9
12

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.4
Embodied Water, L/kg 460
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
190
Resilience: Unit (Modulus of Resilience), kJ/m3 490
1820
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 20
42
Strength to Weight: Bending, points 20
31
Thermal Diffusivity, mm2/s 12
3.3
Thermal Shock Resistance, points 58
37

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.6
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.1
0.030 to 0.1
Chromium (Cr), % 0
18 to 21
Cobalt (Co), % 0
12 to 15
Copper (Cu), % 0
0 to 0.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
0 to 2.0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 5.0
Nickel (Ni), % 0
49.6 to 62.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.0 to 2.0
0
Titanium (Ti), % 0
2.8 to 3.3
Zinc (Zn), % 0
0.020 to 0.12
Zirconium (Zr), % 92.9 to 99
0