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Grade 704C Zirconium vs. EN 1.7220 Steel

Grade 704C zirconium belongs to the otherwise unclassified metals classification, while EN 1.7220 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 704C zirconium and the bottom bar is EN 1.7220 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
160 to 290
Elastic (Young's, Tensile) Modulus, GPa 97
190
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 36
73
Tensile Strength: Ultimate (UTS), MPa 470
520 to 1720

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 21
44
Thermal Expansion, µm/m-K 5.9
13

Otherwise Unclassified Properties

Density, g/cm3 6.7
7.8
Embodied Water, L/kg 460
51

Common Calculations

Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 20
18 to 61
Strength to Weight: Bending, points 20
18 to 41
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 58
15 to 50

Alloy Composition

Carbon (C), % 0 to 0.1
0.3 to 0.37
Chromium (Cr), % 0
0.9 to 1.2
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.3
96.8 to 98.1
Manganese (Mn), % 0
0.6 to 0.9
Molybdenum (Mo), % 0
0.15 to 0.3
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.010
0 to 0.035
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