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AWS E409Nb vs. C71580 Copper-nickel

AWS E409Nb belongs to the iron alloys classification, while C71580 copper-nickel belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS E409Nb and the bottom bar is C71580 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Elongation at Break, % 23
40
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
51
Tensile Strength: Ultimate (UTS), MPa 500
330
Tensile Strength: Yield (Proof), MPa 380
110

Thermal Properties

Latent Heat of Fusion, J/g 280
230
Melting Completion (Liquidus), °C 1460
1180
Melting Onset (Solidus), °C 1410
1120
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 25
39
Thermal Expansion, µm/m-K 14
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
4.7

Otherwise Unclassified Properties

Base Metal Price, % relative 13
41
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 2.9
5.1
Embodied Energy, MJ/kg 42
74
Embodied Water, L/kg 100
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
100
Resilience: Unit (Modulus of Resilience), kJ/m3 380
47
Stiffness to Weight: Axial, points 14
8.5
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 18
10
Strength to Weight: Bending, points 18
12
Thermal Diffusivity, mm2/s 6.8
11
Thermal Shock Resistance, points 14
11

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.070
Chromium (Cr), % 11 to 14
0
Copper (Cu), % 0 to 0.75
65.5 to 71
Iron (Fe), % 80.2 to 88.5
0 to 0.5
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.0
0 to 0.3
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 0 to 0.6
29 to 33
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.5