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EN 1.1118 Cast Steel vs. Grade 704C Zirconium

EN 1.1118 cast steel belongs to the iron alloys classification, while grade 704C zirconium belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.1118 cast steel and the bottom bar is grade 704C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
97
Elongation at Break, % 14 to 21
11
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
36
Tensile Strength: Ultimate (UTS), MPa 700 to 750
470
Tensile Strength: Yield (Proof), MPa 460 to 630
310

Thermal Properties

Latent Heat of Fusion, J/g 250
240
Specific Heat Capacity, J/kg-K 470
270
Thermal Conductivity, W/m-K 51
21
Thermal Expansion, µm/m-K 12
5.9

Otherwise Unclassified Properties

Density, g/cm3 7.8
6.7
Embodied Water, L/kg 48
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 97 to 130
48
Resilience: Unit (Modulus of Resilience), kJ/m3 550 to 1050
490
Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 25 to 27
20
Strength to Weight: Bending, points 22 to 23
20
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 22 to 24
58

Alloy Composition

Carbon (C), % 0.2 to 0.25
0 to 0.1
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 97.3 to 98.3
0 to 0.3
Manganese (Mn), % 1.5 to 1.8
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.010
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
1.0 to 2.0
Zirconium (Zr), % 0
92.9 to 99