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Grade 705C Zirconium vs. S33228 Stainless Steel

Grade 705C zirconium belongs to the otherwise unclassified metals classification, while S33228 stainless steel belongs to the iron alloys. There are 20 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 S33228 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
190
Elastic (Young's, Tensile) Modulus, GPa 98
200
Elongation at Break, % 13
34
Poisson's Ratio 0.34
0.28
Rockwell B Hardness 87
82
Shear Modulus, GPa 36
79
Tensile Strength: Ultimate (UTS), MPa 540
570
Tensile Strength: Yield (Proof), MPa 390
210

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Specific Heat Capacity, J/kg-K 270
470
Thermal Expansion, µm/m-K 5.7
16

Otherwise Unclassified Properties

Density, g/cm3 6.7
8.0
Embodied Water, L/kg 450
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
150
Resilience: Unit (Modulus of Resilience), kJ/m3 790
110
Stiffness to Weight: Axial, points 8.1
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 22
20
Strength to Weight: Bending, points 22
19
Thermal Shock Resistance, points 69
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.025
Carbon (C), % 0 to 0.1
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 0
26 to 28
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
36.5 to 42.3
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
31 to 33
Niobium (Nb), % 2.0 to 3.0
0.6 to 1.0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.010
0 to 0.020
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0
0 to 0.015
Zirconium (Zr), % 91.9 to 98
0