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Grade 704C Zirconium vs. EN 1.7233 Steel

Grade 704C zirconium belongs to the otherwise unclassified metals classification, while EN 1.7233 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grade 704C zirconium and the bottom bar is EN 1.7233 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
210 to 290
Elastic (Young's, Tensile) Modulus, GPa 97
190
Elongation at Break, % 11
18 to 23
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
73
Tensile Strength: Ultimate (UTS), MPa 470
700 to 960
Tensile Strength: Yield (Proof), MPa 310
380 to 780

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 21
39
Thermal Expansion, µm/m-K 5.9
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 460
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
110 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 490
380 to 1630
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 20
25 to 34
Strength to Weight: Bending, points 20
22 to 28
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 58
21 to 28

Alloy Composition

Carbon (C), % 0 to 0.1
0.39 to 0.45
Chromium (Cr), % 0
1.2 to 1.5
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
96.2 to 97.5
Manganese (Mn), % 0
0.4 to 0.7
Molybdenum (Mo), % 0
0.5 to 0.7
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
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Tin (Sn), % 1.0 to 2.0
0
Zirconium (Zr), % 92.9 to 99
0