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C32000 Brass vs. C87800 Brass

Both C32000 brass and C87800 brass are copper alloys. They have a very high 95% of their average alloy composition in common. There are 28 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 C32000 brass and the bottom bar is C87800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 6.8 to 29
25
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 270 to 470
590
Tensile Strength: Yield (Proof), MPa 78 to 390
350

Thermal Properties

Latent Heat of Fusion, J/g 190
260
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 1020
920
Melting Onset (Solidus), °C 990
820
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 160
28
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 37
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 28
27
Density, g/cm3 8.7
8.3
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 42
44
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 59
130
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 680
540
Stiffness to Weight: Axial, points 7.1
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.8 to 15
20
Strength to Weight: Bending, points 11 to 16
19
Thermal Diffusivity, mm2/s 47
8.3
Thermal Shock Resistance, points 9.5 to 16
21

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 83.5 to 86.5
80 to 84.2
Iron (Fe), % 0 to 0.1
0 to 0.15
Lead (Pb), % 1.5 to 2.2
0 to 0.15
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0 to 0.25
0 to 0.2
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
3.8 to 4.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 10.6 to 15
12 to 16
Residuals, % 0
0 to 0.5