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AWS E309 vs. C70620 Copper-nickel

AWS E309 belongs to the iron alloys classification, while C70620 copper-nickel belongs to the copper alloys. There are 21 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 E309 and the bottom bar is C70620 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 78
46
Tensile Strength: Ultimate (UTS), MPa 620
300 to 570

Thermal Properties

Latent Heat of Fusion, J/g 300
220
Melting Completion (Liquidus), °C 1410
1120
Melting Onset (Solidus), °C 1370
1060
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
49
Thermal Expansion, µm/m-K 14
17

Otherwise Unclassified Properties

Base Metal Price, % relative 20
33
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 3.7
3.4
Embodied Energy, MJ/kg 52
51
Embodied Water, L/kg 180
300

Common Calculations

Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 22
9.3 to 18
Strength to Weight: Bending, points 21
11 to 17
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 16
10 to 20

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.050
Chromium (Cr), % 22 to 25
0
Copper (Cu), % 0 to 0.75
86.5 to 90
Iron (Fe), % 55.8 to 65.5
1.0 to 1.8
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0.5 to 2.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 12 to 14
9.0 to 11
Phosphorus (P), % 0 to 0.040
0 to 0.2
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.020
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5