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Grade 705C Zirconium vs. Grade TDSiCr Steel

Grade 705C zirconium belongs to the otherwise unclassified metals classification, while grade TDSiCr steel belongs to the iron alloys. There are 17 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 grade TDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
590
Elastic (Young's, Tensile) Modulus, GPa 98
190
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
80
Tensile Strength: Ultimate (UTS), MPa 540
1950

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Specific Heat Capacity, J/kg-K 270
480
Thermal Conductivity, W/m-K 18
46
Thermal Expansion, µm/m-K 5.7
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.7
Embodied Water, L/kg 450
48

Common Calculations

Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 22
70
Strength to Weight: Bending, points 22
45
Thermal Diffusivity, mm2/s 9.9
12
Thermal Shock Resistance, points 69
58

Alloy Composition

Carbon (C), % 0 to 0.1
0.5 to 0.6
Chromium (Cr), % 0
0.5 to 0.8
Copper (Cu), % 0
0 to 0.1
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
96.6 to 97.8
Manganese (Mn), % 0
0.5 to 0.9
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 0.025
Silicon (Si), % 0
1.2 to 1.6
Sulfur (S), % 0
0 to 0.020
Zirconium (Zr), % 91.9 to 98
0