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Type 2 Niobium vs. N08535 Stainless Steel

Type 2 niobium belongs to the otherwise unclassified metals classification, while N08535 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is Type 2 niobium and the bottom bar is N08535 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 29
46
Poisson's Ratio 0.4
0.28
Shear Modulus, GPa 38
80
Tensile Strength: Ultimate (UTS), MPa 140
570
Tensile Strength: Yield (Proof), MPa 82
240

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Specific Heat Capacity, J/kg-K 270
470
Thermal Conductivity, W/m-K 52
13
Thermal Expansion, µm/m-K 7.3
16

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.1
Embodied Water, L/kg 160
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35
210
Resilience: Unit (Modulus of Resilience), kJ/m3 32
140
Stiffness to Weight: Axial, points 6.8
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 4.6
20
Strength to Weight: Bending, points 7.1
19
Thermal Diffusivity, mm2/s 23
3.3
Thermal Shock Resistance, points 13
13

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.030
Chromium (Cr), % 0
24 to 27
Copper (Cu), % 0
0 to 1.5
Hafnium (Hf), % 0 to 0.020
0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
29.4 to 44.5
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0 to 0.020
2.5 to 4.0
Nickel (Ni), % 0 to 0.0050
29 to 36.5
Niobium (Nb), % 99.5 to 100
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.025
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.0050
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Tantalum (Ta), % 0 to 0.3
0
Titanium (Ti), % 0 to 0.030
0
Tungsten (W), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.020
0