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EN 1.1233 Steel vs. Type 2 Niobium

EN 1.1233 steel belongs to the iron alloys classification, while Type 2 niobium belongs to the otherwise unclassified metals. There are 17 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 1.1233 steel and the bottom bar is Type 2 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
110
Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.4
Shear Modulus, GPa 72
38
Tensile Strength: Ultimate (UTS), MPa 680 to 760
140

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Specific Heat Capacity, J/kg-K 470
270
Thermal Conductivity, W/m-K 51
52
Thermal Expansion, µm/m-K 12
7.3

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.6
Embodied Water, L/kg 47
160

Common Calculations

Stiffness to Weight: Axial, points 13
6.8
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 24 to 27
4.6
Strength to Weight: Bending, points 22 to 24
7.1
Thermal Diffusivity, mm2/s 14
23
Thermal Shock Resistance, points 22 to 24
13

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.52 to 0.6
0 to 0.010
Copper (Cu), % 0 to 0.3
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 98 to 99.1
0 to 0.010
Manganese (Mn), % 0.9 to 1.2
0
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 0
0 to 0.0050
Niobium (Nb), % 0
99.5 to 100
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0 to 0.0020
0 to 0.025
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0 to 0.0050
Sulfur (S), % 0 to 0.030
0
Tantalum (Ta), % 0
0 to 0.3
Titanium (Ti), % 0
0 to 0.030
Tungsten (W), % 0
0 to 0.050
Zirconium (Zr), % 0
0 to 0.020