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Grade 705C Zirconium vs. EN 1.3538 Steel

Grade 705C zirconium belongs to the otherwise unclassified metals classification, while EN 1.3538 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 EN 1.3538 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
200 to 220
Elastic (Young's, Tensile) Modulus, GPa 98
190
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
73
Tensile Strength: Ultimate (UTS), MPa 540
670 to 740

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 18
41
Thermal Expansion, µm/m-K 5.7
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 450
56

Common Calculations

Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 22
24 to 26
Strength to Weight: Bending, points 22
22 to 23
Thermal Diffusivity, mm2/s 9.9
11
Thermal Shock Resistance, points 69
20 to 22

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0 to 0.1
0.93 to 1.1
Chromium (Cr), % 0
1.7 to 2.0
Copper (Cu), % 0
0 to 0.3
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
96 to 97.2
Manganese (Mn), % 0
0.6 to 0.8
Molybdenum (Mo), % 0
0.4 to 0.5
Niobium (Nb), % 2.0 to 3.0
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.3
0 to 0.0015
Phosphorus (P), % 0 to 0.010
0 to 0.025
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.030
Zirconium (Zr), % 91.9 to 98
0