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C12200 Copper vs. C70620 Copper-nickel

Both C12200 copper and C70620 copper-nickel are copper alloys. They have 88% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C12200 copper and the bottom bar is C70620 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Poisson's Ratio 0.34
0.34
Rockwell Superficial 30T Hardness 27 to 70
61 to 75
Shear Modulus, GPa 43
46
Tensile Strength: Ultimate (UTS), MPa 220 to 410
300 to 570

Thermal Properties

Latent Heat of Fusion, J/g 210
220
Maximum Temperature: Mechanical, °C 200
220
Melting Completion (Liquidus), °C 1080
1120
Melting Onset (Solidus), °C 1030
1060
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 340
49
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 31
33
Density, g/cm3 9.0
8.9
Embodied Carbon, kg CO2/kg material 2.6
3.4
Embodied Energy, MJ/kg 41
51
Embodied Water, L/kg 310
300

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.7
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 6.9 to 13
9.3 to 18
Strength to Weight: Bending, points 9.1 to 14
11 to 17
Thermal Diffusivity, mm2/s 98
14
Thermal Shock Resistance, points 7.9 to 15
10 to 20

Alloy Composition

Carbon (C), % 0
0 to 0.050
Copper (Cu), % 99.9 to 99.985
86.5 to 90
Iron (Fe), % 0
1.0 to 1.8
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
9.0 to 11
Phosphorus (P), % 0.015 to 0.040
0 to 0.2
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5

Comparable Variants