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C84100 Brass vs. C87800 Brass

Both C84100 brass and C87800 brass are copper alloys. They have a very high 96% 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 C84100 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, % 13
25
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 39
42
Tensile Strength: Ultimate (UTS), MPa 230
590
Tensile Strength: Yield (Proof), MPa 81
350

Thermal Properties

Latent Heat of Fusion, J/g 190
260
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 1000
920
Melting Onset (Solidus), °C 810
820
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 110
28
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 25
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 29
27
Density, g/cm3 8.5
8.3
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 48
44
Embodied Water, L/kg 340
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24
130
Resilience: Unit (Modulus of Resilience), kJ/m3 30
540
Stiffness to Weight: Axial, points 7.1
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 7.4
20
Strength to Weight: Bending, points 9.7
19
Thermal Diffusivity, mm2/s 33
8.3
Thermal Shock Resistance, points 7.8
21

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.15
Antimony (Sb), % 0 to 0.050
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Bismuth (Bi), % 0 to 0.090
0
Copper (Cu), % 78 to 85
80 to 84.2
Iron (Fe), % 0 to 0.3
0 to 0.15
Lead (Pb), % 0.050 to 0.25
0 to 0.15
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0 to 0.5
0 to 0.2
Phosphorus (P), % 0 to 0.050
0 to 0.010
Silicon (Si), % 0 to 0.010
3.8 to 4.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 1.5 to 4.5
0 to 0.25
Zinc (Zn), % 12 to 20
12 to 16
Residuals, % 0
0 to 0.5