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C19800 Copper vs. C68700 Brass

Both C19800 copper and C68700 brass are copper alloys. They have 79% of their average alloy composition in common. There are 26 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 C19800 copper and the bottom bar is C68700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 43
41
Tensile Strength: Ultimate (UTS), MPa 430 to 550
390
Tensile Strength: Yield (Proof), MPa 420 to 550
140

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1070
970
Melting Onset (Solidus), °C 1050
930
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 260
100
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
23
Electrical Conductivity: Equal Weight (Specific), % IACS 62
25

Otherwise Unclassified Properties

Base Metal Price, % relative 30
26
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 43
46
Embodied Water, L/kg 320
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 770 to 1320
90
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 14 to 17
13
Strength to Weight: Bending, points 14 to 17
14
Thermal Diffusivity, mm2/s 75
30
Thermal Shock Resistance, points 15 to 20
13

Alloy Composition

Aluminum (Al), % 0
1.8 to 2.5
Arsenic (As), % 0
0.020 to 0.1
Copper (Cu), % 95.7 to 99.47
76 to 79
Iron (Fe), % 0.020 to 0.5
0 to 0.060
Lead (Pb), % 0
0 to 0.070
Magnesium (Mg), % 0.1 to 1.0
0
Phosphorus (P), % 0.010 to 0.1
0
Tin (Sn), % 0.1 to 1.0
0
Zinc (Zn), % 0.3 to 1.5
17.8 to 22.2
Residuals, % 0
0 to 0.5