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C66300 Brass vs. C87500 Brass

Both C66300 brass and C87500 brass are copper alloys. They have a moderately high 92% of their average alloy composition in common. There are 28 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 C66300 brass and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 2.3 to 22
18
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 460 to 810
460
Tensile Strength: Yield (Proof), MPa 400 to 800
190

Thermal Properties

Latent Heat of Fusion, J/g 200
260
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 1050
920
Melting Onset (Solidus), °C 1000
820
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 110
28
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 26
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 29
27
Density, g/cm3 8.6
8.3
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 46
44
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 98
67
Resilience: Unit (Modulus of Resilience), kJ/m3 710 to 2850
160
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 15 to 26
16
Strength to Weight: Bending, points 15 to 22
16
Thermal Diffusivity, mm2/s 32
8.3
Thermal Shock Resistance, points 16 to 28
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Cobalt (Co), % 0 to 0.2
0
Copper (Cu), % 84.5 to 87.5
79 to 85
Iron (Fe), % 1.4 to 2.4
0
Lead (Pb), % 0 to 0.050
0 to 0.5
Phosphorus (P), % 0 to 0.35
0
Silicon (Si), % 0
3.0 to 5.0
Tin (Sn), % 1.5 to 3.0
0
Zinc (Zn), % 6.0 to 12.8
12 to 16
Residuals, % 0
0 to 0.5