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Grade 702C Zirconium vs. S66286 Stainless Steel

Grade 702C zirconium belongs to the otherwise unclassified metals classification, while S66286 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 702C zirconium and the bottom bar is S66286 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
190
Elongation at Break, % 13
17 to 40
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
75
Tensile Strength: Ultimate (UTS), MPa 430
620 to 1020
Tensile Strength: Yield (Proof), MPa 310
280 to 670

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 22
15
Thermal Expansion, µm/m-K 5.7
17

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.9
Embodied Water, L/kg 450
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
150 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 510
190 to 1150
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 18
22 to 36
Strength to Weight: Bending, points 19
20 to 28
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 55
13 to 22

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0 to 0.1
0 to 0.080
Chromium (Cr), % 0
13.5 to 16
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
49.1 to 59.5
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
1.0 to 1.5
Nickel (Ni), % 0
24 to 27
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
1.9 to 2.4
Vanadium (V), % 0
0.1 to 0.5
Zirconium (Zr), % 94.8 to 100
0