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N08811 Stainless Steel vs. Type 1 Niobium

N08811 stainless steel belongs to the iron alloys classification, while Type 1 niobium belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is N08811 stainless steel and the bottom bar is Type 1 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 33
29
Poisson's Ratio 0.28
0.4
Shear Modulus, GPa 77
38
Tensile Strength: Ultimate (UTS), MPa 510
140
Tensile Strength: Yield (Proof), MPa 190
82

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Specific Heat Capacity, J/kg-K 480
270
Thermal Conductivity, W/m-K 12
52
Thermal Expansion, µm/m-K 14
7.3

Otherwise Unclassified Properties

Density, g/cm3 8.0
8.6
Embodied Water, L/kg 200
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
35
Resilience: Unit (Modulus of Resilience), kJ/m3 94
32
Stiffness to Weight: Axial, points 14
6.8
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 18
4.6
Strength to Weight: Bending, points 18
7.1
Thermal Diffusivity, mm2/s 3.0
23
Thermal Shock Resistance, points 13
13

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0.060 to 0.1
0 to 0.010
Chromium (Cr), % 19 to 23
0
Copper (Cu), % 0 to 0.75
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 39.5 to 50.6
0 to 0.0050
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0
0 to 0.010
Nickel (Ni), % 30 to 35
0 to 0.0050
Niobium (Nb), % 0
99.7 to 100
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.0050
Sulfur (S), % 0 to 0.015
0
Tantalum (Ta), % 0
0 to 0.1
Titanium (Ti), % 0.15 to 0.6
0 to 0.020
Tungsten (W), % 0
0 to 0.030
Zirconium (Zr), % 0
0 to 0.020