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C83400 Brass vs. C87500 Brass

Both C83400 brass and C87500 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 93% 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 C83400 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, % 30
18
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 240
460
Tensile Strength: Yield (Proof), MPa 69
190

Thermal Properties

Latent Heat of Fusion, J/g 200
260
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 1040
920
Melting Onset (Solidus), °C 1020
820
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 190
28
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 46
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 29
27
Density, g/cm3 8.7
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 43
44
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 55
67
Resilience: Unit (Modulus of Resilience), kJ/m3 21
160
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 7.7
16
Strength to Weight: Bending, points 9.9
16
Thermal Diffusivity, mm2/s 57
8.3
Thermal Shock Resistance, points 8.4
17

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.5
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 88 to 92
79 to 85
Iron (Fe), % 0 to 0.25
0
Lead (Pb), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.0050
3.0 to 5.0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 8.0 to 12
12 to 16
Residuals, % 0
0 to 0.5