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Type 1 Niobium vs. ZA-27

Type 1 niobium belongs to the otherwise unclassified metals classification, while ZA-27 belongs to the zinc alloys. There are 21 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is Type 1 niobium and the bottom bar is ZA-27.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 79
100 to 120
Elastic (Young's, Tensile) Modulus, GPa 110
78
Elongation at Break, % 29
2.0 to 4.5
Poisson's Ratio 0.4
0.27
Shear Modulus, GPa 38
31
Tensile Strength: Ultimate (UTS), MPa 140
400 to 430
Tensile Strength: Yield (Proof), MPa 82
260 to 370

Thermal Properties

Latent Heat of Fusion, J/g 320
130
Specific Heat Capacity, J/kg-K 270
530
Thermal Conductivity, W/m-K 52
130
Thermal Expansion, µm/m-K 7.3
26

Otherwise Unclassified Properties

Density, g/cm3 8.6
5.0
Embodied Water, L/kg 160
570

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35
8.1 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 32
420 to 890
Stiffness to Weight: Axial, points 6.8
8.6
Stiffness to Weight: Bending, points 18
28
Strength to Weight: Axial, points 4.6
22 to 24
Strength to Weight: Bending, points 7.1
24 to 25
Thermal Diffusivity, mm2/s 23
47
Thermal Shock Resistance, points 13
14 to 15

Alloy Composition

Aluminum (Al), % 0
25 to 28
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
2.0 to 2.5
Hafnium (Hf), % 0 to 0.020
0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.0050
0 to 0.1
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.010 to 0.020
Molybdenum (Mo), % 0 to 0.010
0
Nickel (Ni), % 0 to 0.0050
0 to 0.020
Niobium (Nb), % 99.7 to 100
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.015
0
Silicon (Si), % 0 to 0.0050
0 to 0.080
Tantalum (Ta), % 0 to 0.1
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0 to 0.020
0
Tungsten (W), % 0 to 0.030
0
Zinc (Zn), % 0
69.3 to 73
Zirconium (Zr), % 0 to 0.020
0