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C87500 Brass vs. C99750 Brass

Both C87500 brass and C99750 brass are copper alloys. They have 73% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C87500 brass and the bottom bar is C99750 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Elongation at Break, % 18
20 to 30
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 42
48
Tensile Strength: Ultimate (UTS), MPa 460
450 to 520
Tensile Strength: Yield (Proof), MPa 190
220 to 280

Thermal Properties

Latent Heat of Fusion, J/g 260
200
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 920
840
Melting Onset (Solidus), °C 820
820
Specific Heat Capacity, J/kg-K 410
410
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 27
23
Density, g/cm3 8.3
8.1
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 44
51
Embodied Water, L/kg 300
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 160
190 to 300
Stiffness to Weight: Axial, points 7.4
8.6
Stiffness to Weight: Bending, points 19
21
Strength to Weight: Axial, points 16
15 to 18
Strength to Weight: Bending, points 16
16 to 18
Thermal Shock Resistance, points 17
13 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.5
0.25 to 3.0
Copper (Cu), % 79 to 85
55 to 61
Iron (Fe), % 0
0 to 1.0
Lead (Pb), % 0 to 0.5
0.5 to 2.5
Manganese (Mn), % 0
17 to 23
Nickel (Ni), % 0
0 to 5.0
Silicon (Si), % 3.0 to 5.0
0
Zinc (Zn), % 12 to 16
17 to 23
Residuals, % 0
0 to 0.3