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AWS E309Nb vs. C72150 Copper-nickel

AWS E309Nb belongs to the iron alloys classification, while C72150 copper-nickel belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS E309Nb and the bottom bar is C72150 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
150
Elongation at Break, % 34
29
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 78
55
Tensile Strength: Ultimate (UTS), MPa 620
490

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1420
1210
Melting Onset (Solidus), °C 1380
1250
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 15
22
Thermal Expansion, µm/m-K 14
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
3.6

Otherwise Unclassified Properties

Base Metal Price, % relative 25
45
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 4.4
6.1
Embodied Energy, MJ/kg 64
88
Embodied Water, L/kg 180
270

Common Calculations

Stiffness to Weight: Axial, points 14
9.1
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 22
15
Strength to Weight: Bending, points 21
15
Thermal Diffusivity, mm2/s 4.0
6.0
Thermal Shock Resistance, points 16
18

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.1
Chromium (Cr), % 22 to 25
0
Copper (Cu), % 0 to 0.75
52.5 to 57
Iron (Fe), % 54.8 to 64.8
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.5 to 2.5
0 to 0.050
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 12 to 14
43 to 46
Niobium (Nb), % 0.7 to 1.0
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.5