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AISI 310S Stainless Steel vs. Type 2 Niobium

AISI 310S stainless 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 AISI 310S stainless steel and the bottom bar is Type 2 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
110
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 34 to 44
29
Poisson's Ratio 0.27
0.4
Shear Modulus, GPa 79
38
Tensile Strength: Ultimate (UTS), MPa 600 to 710
140
Tensile Strength: Yield (Proof), MPa 270 to 350
82

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Specific Heat Capacity, J/kg-K 480
270
Thermal Conductivity, W/m-K 16
52
Thermal Expansion, µm/m-K 16
7.3

Otherwise Unclassified Properties

Density, g/cm3 7.9
8.6
Embodied Water, L/kg 190
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 220
35
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 310
32
Stiffness to Weight: Axial, points 14
6.8
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 21 to 25
4.6
Strength to Weight: Bending, points 20 to 22
7.1
Thermal Diffusivity, mm2/s 4.1
23
Thermal Shock Resistance, points 14 to 16
13

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.010
Chromium (Cr), % 24 to 26
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 48.3 to 57
0 to 0.010
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 19 to 22
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 0.045
0
Silicon (Si), % 0 to 1.5
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