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EN 1.1158 Steel vs. Grade 705C Zirconium

EN 1.1158 steel belongs to the iron alloys classification, while grade 705C zirconium belongs to the otherwise unclassified metals. 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 EN 1.1158 steel and the bottom bar is grade 705C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 150
200
Elastic (Young's, Tensile) Modulus, GPa 190
98
Elongation at Break, % 23 to 24
13
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
36
Tensile Strength: Ultimate (UTS), MPa 470 to 500
540
Tensile Strength: Yield (Proof), MPa 240 to 310
390

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 470
270
Thermal Conductivity, W/m-K 49
18
Thermal Expansion, µm/m-K 12
5.7

Otherwise Unclassified Properties

Density, g/cm3 7.8
6.7
Embodied Water, L/kg 47
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 110
66
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 250
790
Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 17 to 18
22
Strength to Weight: Bending, points 17 to 18
22
Thermal Diffusivity, mm2/s 13
9.9
Thermal Shock Resistance, points 15 to 16
69

Alloy Composition

Carbon (C), % 0.22 to 0.29
0 to 0.1
Chromium (Cr), % 0 to 0.4
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 97.6 to 99.38
0 to 0.3
Manganese (Mn), % 0.4 to 0.7
0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
0
Niobium (Nb), % 0
2.0 to 3.0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.010
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.035
0
Zirconium (Zr), % 0
91.9 to 98