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Type 1 Niobium vs. S30601 Stainless Steel

Type 1 niobium belongs to the otherwise unclassified metals classification, while S30601 stainless steel belongs to the iron alloys. There are 19 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 1 niobium and the bottom bar is S30601 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 79
190
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 29
37
Poisson's Ratio 0.4
0.28
Shear Modulus, GPa 38
75
Tensile Strength: Ultimate (UTS), MPa 140
660
Tensile Strength: Yield (Proof), MPa 82
300

Thermal Properties

Latent Heat of Fusion, J/g 320
370
Specific Heat Capacity, J/kg-K 270
500
Thermal Expansion, µm/m-K 7.3
15

Otherwise Unclassified Properties

Density, g/cm3 8.6
7.6
Embodied Water, L/kg 160
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35
200
Resilience: Unit (Modulus of Resilience), kJ/m3 32
230
Stiffness to Weight: Axial, points 6.8
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 4.6
24
Strength to Weight: Bending, points 7.1
22
Thermal Shock Resistance, points 13
16

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.015
Chromium (Cr), % 0
17 to 18
Copper (Cu), % 0
0 to 0.35
Hafnium (Hf), % 0 to 0.020
0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.0050
56.9 to 60.5
Manganese (Mn), % 0
0.5 to 0.8
Molybdenum (Mo), % 0 to 0.010
0 to 0.2
Nickel (Ni), % 0 to 0.0050
17 to 18
Niobium (Nb), % 99.7 to 100
0
Nitrogen (N), % 0 to 0.010
0 to 0.050
Oxygen (O), % 0 to 0.015
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.0050
5.0 to 5.6
Sulfur (S), % 0
0 to 0.013
Tantalum (Ta), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.020
0
Tungsten (W), % 0 to 0.030
0
Zirconium (Zr), % 0 to 0.020
0