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AWS E430Nb vs. C70700 Copper-nickel

AWS E430Nb belongs to the iron alloys classification, while C70700 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 E430Nb and the bottom bar is C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 23
39
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
46
Tensile Strength: Ultimate (UTS), MPa 500
320

Thermal Properties

Latent Heat of Fusion, J/g 280
220
Melting Completion (Liquidus), °C 1450
1120
Melting Onset (Solidus), °C 1410
1060
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 24
59
Thermal Expansion, µm/m-K 14
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
11
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
34
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 3.1
3.4
Embodied Energy, MJ/kg 45
52
Embodied Water, L/kg 120
300

Common Calculations

Stiffness to Weight: Axial, points 14
7.6
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 6.6
17
Thermal Shock Resistance, points 13
12

Alloy Composition

Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 15 to 18
0
Copper (Cu), % 0 to 0.75
88.5 to 90.5
Iron (Fe), % 76.2 to 84.5
0 to 0.050
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 0 to 0.6
9.5 to 10.5
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
Residuals, % 0
0 to 0.5