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EN 1.0308 Steel vs. Grade 705C Zirconium

EN 1.0308 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 (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.0308 steel and the bottom bar is grade 705C zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 130
200
Elastic (Young's, Tensile) Modulus, GPa 190
98
Elongation at Break, % 7.8 to 28
13
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
36
Tensile Strength: Ultimate (UTS), MPa 360 to 440
540
Tensile Strength: Yield (Proof), MPa 190 to 340
390

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Specific Heat Capacity, J/kg-K 470
270
Thermal Conductivity, W/m-K 51
18
Thermal Expansion, µm/m-K 12
5.7

Otherwise Unclassified Properties

Density, g/cm3 7.9
6.7
Embodied Water, L/kg 46
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 32 to 95
66
Resilience: Unit (Modulus of Resilience), kJ/m3 93 to 300
790
Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 13 to 16
22
Strength to Weight: Bending, points 14 to 16
22
Thermal Diffusivity, mm2/s 14
9.9
Thermal Shock Resistance, points 11 to 14
69

Alloy Composition

Carbon (C), % 0 to 0.17
0 to 0.1
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 98.2 to 100
0 to 0.3
Manganese (Mn), % 0 to 1.2
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 0.045
0 to 0.010
Silicon (Si), % 0 to 0.35
0
Sulfur (S), % 0 to 0.045
0
Zirconium (Zr), % 0
91.9 to 98