MakeItFrom.com
Menu (ESC)

R30556 Alloy vs. Type 4 Niobium

R30556 alloy belongs to the iron alloys classification, while Type 4 niobium belongs to the otherwise unclassified metals. 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 R30556 alloy and the bottom bar is Type 4 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 45
23
Poisson's Ratio 0.28
0.4
Shear Modulus, GPa 81
38
Tensile Strength: Ultimate (UTS), MPa 780
220
Tensile Strength: Yield (Proof), MPa 350
140

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Specific Heat Capacity, J/kg-K 450
270
Thermal Conductivity, W/m-K 11
42
Thermal Expansion, µm/m-K 15
7.3

Otherwise Unclassified Properties

Density, g/cm3 8.4
8.6
Embodied Water, L/kg 300
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
44
Resilience: Unit (Modulus of Resilience), kJ/m3 290
93
Stiffness to Weight: Axial, points 14
6.8
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 26
7.2
Strength to Weight: Bending, points 22
9.5
Thermal Diffusivity, mm2/s 2.9
18
Thermal Shock Resistance, points 18
21

Alloy Composition

Aluminum (Al), % 0.1 to 0.5
0
Boron (B), % 0 to 0.020
0
Carbon (C), % 0.050 to 0.15
0 to 0.010
Chromium (Cr), % 21 to 23
0
Cobalt (Co), % 16 to 21
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 20.4 to 38.2
0 to 0.010
Lanthanum (La), % 0.0050 to 0.1
0
Manganese (Mn), % 0.5 to 2.0
0
Molybdenum (Mo), % 2.5 to 4.0
0 to 0.050
Nickel (Ni), % 19 to 22.5
0 to 0.0050
Niobium (Nb), % 0 to 0.3
98.1 to 99.2
Nitrogen (N), % 0.1 to 0.3
0 to 0.010
Oxygen (O), % 0
0 to 0.025
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0.2 to 0.8
0 to 0.0050
Sulfur (S), % 0 to 0.015
0
Tantalum (Ta), % 0.3 to 1.3
0 to 0.5
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 2.0 to 3.5
0 to 0.050
Zinc (Zn), % 0.0010 to 0.1
0
Zirconium (Zr), % 0
0.8 to 1.2