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AWS E310 vs. Type 4 Niobium

AWS E310 belongs to the iron alloys classification, while Type 4 niobium belongs to the otherwise unclassified metals. There are 17 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 AWS E310 and the bottom bar is Type 4 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 34
23
Poisson's Ratio 0.27
0.4
Shear Modulus, GPa 79
38
Tensile Strength: Ultimate (UTS), MPa 620
220

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Specific Heat Capacity, J/kg-K 480
270
Thermal Conductivity, W/m-K 14
42
Thermal Expansion, µm/m-K 14
7.3

Otherwise Unclassified Properties

Density, g/cm3 7.9
8.6
Embodied Water, L/kg 200
160

Common Calculations

Stiffness to Weight: Axial, points 14
6.8
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 22
7.2
Strength to Weight: Bending, points 20
9.5
Thermal Diffusivity, mm2/s 3.7
18
Thermal Shock Resistance, points 15
21

Alloy Composition

Carbon (C), % 0.080 to 0.2
0 to 0.010
Chromium (Cr), % 25 to 28
0
Copper (Cu), % 0 to 0.75
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 44.5 to 53.9
0 to 0.010
Manganese (Mn), % 1.0 to 2.5
0
Molybdenum (Mo), % 0 to 0.75
0 to 0.050
Nickel (Ni), % 20 to 22.5
0 to 0.0050
Niobium (Nb), % 0
98.1 to 99.2
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.025
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.75
0 to 0.0050
Sulfur (S), % 0 to 0.030
0
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 0
0 to 0.050
Zirconium (Zr), % 0
0.8 to 1.2