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EN 1.7386 Steel vs. Type 2 Niobium

EN 1.7386 steel belongs to the iron alloys classification, while Type 2 niobium 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 1.7386 steel and the bottom bar is Type 2 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 200
110
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 18 to 21
29
Poisson's Ratio 0.28
0.4
Shear Modulus, GPa 75
38
Tensile Strength: Ultimate (UTS), MPa 550 to 670
140
Tensile Strength: Yield (Proof), MPa 240 to 440
82

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Specific Heat Capacity, J/kg-K 480
270
Thermal Conductivity, W/m-K 26
52
Thermal Expansion, µm/m-K 13
7.3

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.6
Embodied Water, L/kg 88
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92 to 110
35
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 490
32
Stiffness to Weight: Axial, points 14
6.8
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 20 to 24
4.6
Strength to Weight: Bending, points 19 to 22
7.1
Thermal Diffusivity, mm2/s 6.9
23
Thermal Shock Resistance, points 15 to 18
13

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.080 to 0.15
0 to 0.010
Chromium (Cr), % 8.0 to 10
0
Copper (Cu), % 0 to 0.3
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 86.8 to 90.5
0 to 0.010
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.9 to 1.1
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
0 to 0.025
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.25 to 1.0
0 to 0.0050
Sulfur (S), % 0 to 0.010
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