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C27200 Brass vs. C87800 Brass

Both C27200 brass and C87800 brass are copper alloys. They have 78% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C27200 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, % 10 to 50
25
Poisson's Ratio 0.31
0.33
Rockwell B Hardness 53 to 86
86
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 370 to 590
590
Tensile Strength: Yield (Proof), MPa 150 to 410
350

Thermal Properties

Latent Heat of Fusion, J/g 170
260
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 920
920
Melting Onset (Solidus), °C 870
820
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 120
28
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 31
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 24
27
Density, g/cm3 8.1
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 45
44
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 270
130
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 810
540
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13 to 20
20
Strength to Weight: Bending, points 14 to 19
19
Thermal Diffusivity, mm2/s 37
8.3
Thermal Shock Resistance, points 12 to 20
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), % 62 to 65
80 to 84.2
Iron (Fe), % 0 to 0.070
0 to 0.15
Lead (Pb), % 0 to 0.070
0 to 0.15
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0
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), % 34.6 to 38
12 to 16
Residuals, % 0
0 to 0.5