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C87500 Brass vs. C87900 Brass

Both C87500 brass and C87900 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 81% 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 C87500 brass and the bottom bar is C87900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 18
25
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 460
480
Tensile Strength: Yield (Proof), MPa 190
240

Thermal Properties

Latent Heat of Fusion, J/g 260
190
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 920
930
Melting Onset (Solidus), °C 820
900
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 28
120
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
15
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
17

Otherwise Unclassified Properties

Base Metal Price, % relative 27
24
Density, g/cm3 8.3
8.1
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 44
46
Embodied Water, L/kg 300
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
100
Resilience: Unit (Modulus of Resilience), kJ/m3 160
270
Stiffness to Weight: Axial, points 7.4
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 16
17
Strength to Weight: Bending, points 16
17
Thermal Diffusivity, mm2/s 8.3
37
Thermal Shock Resistance, points 17
16

Alloy Composition

Aluminum (Al), % 0 to 0.5
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 79 to 85
63 to 69.2
Iron (Fe), % 0
0 to 0.4
Lead (Pb), % 0 to 0.5
0 to 0.25
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 3.0 to 5.0
0.8 to 1.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 12 to 16
30 to 36
Residuals, % 0 to 0.5
0