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C19700 Copper vs. C69430 Brass

Both C19700 copper and C69430 brass are copper alloys. They have 82% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C19700 copper and the bottom bar is C69430 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 2.4 to 13
17
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
42
Shear Strength, MPa 240 to 300
350
Tensile Strength: Ultimate (UTS), MPa 400 to 530
570
Tensile Strength: Yield (Proof), MPa 330 to 520
280

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1090
920
Melting Onset (Solidus), °C 1040
820
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 250
26
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 86 to 88
6.2
Electrical Conductivity: Equal Weight (Specific), % IACS 87 to 89
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 30
27
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
44
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 49
80
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1160
340
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 12 to 16
19
Strength to Weight: Bending, points 14 to 16
18
Thermal Diffusivity, mm2/s 73
7.7
Thermal Shock Resistance, points 14 to 19
20

Alloy Composition

Arsenic (As), % 0
0.030 to 0.060
Cobalt (Co), % 0 to 0.050
0
Copper (Cu), % 97.4 to 99.59
80 to 83
Iron (Fe), % 0.3 to 1.2
0 to 0.2
Lead (Pb), % 0 to 0.050
0 to 0.3
Magnesium (Mg), % 0.010 to 0.2
0
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 0 to 0.050
0
Phosphorus (P), % 0.1 to 0.4
0
Silicon (Si), % 0
3.5 to 4.5
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.2
11.4 to 16.5
Residuals, % 0
0 to 0.5