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C11000 Copper vs. C84400 Valve Metal

Both C11000 copper and C84400 valve metal are copper alloys. They have 80% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C11000 copper and the bottom bar is C84400 valve metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 1.5 to 50
19
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
39
Tensile Strength: Ultimate (UTS), MPa 220 to 410
230
Tensile Strength: Yield (Proof), MPa 69 to 390
110

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1080
1000
Melting Onset (Solidus), °C 1070
840
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 390
72
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
16
Electrical Conductivity: Equal Weight (Specific), % IACS 100
17

Otherwise Unclassified Properties

Base Metal Price, % relative 31
29
Density, g/cm3 9.0
8.8
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 41
46
Embodied Water, L/kg 310
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1 to 91
36
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 640
58
Stiffness to Weight: Axial, points 7.2
6.6
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 6.8 to 13
7.2
Strength to Weight: Bending, points 9.0 to 14
9.4
Thermal Diffusivity, mm2/s 110
22
Thermal Shock Resistance, points 8.0 to 15
8.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 99.9 to 100
78 to 82
Iron (Fe), % 0
0 to 0.4
Lead (Pb), % 0
6.0 to 8.0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
2.3 to 3.5
Zinc (Zn), % 0
7.0 to 10
Residuals, % 0
0 to 0.7