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C87500 Brass vs. C84000 Brass

Both C87500 brass and C84000 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. 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 C87500 brass and the bottom bar is C84000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 18
27
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 460
250
Tensile Strength: Yield (Proof), MPa 190
140

Thermal Properties

Latent Heat of Fusion, J/g 260
190
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 920
1040
Melting Onset (Solidus), °C 820
940
Specific Heat Capacity, J/kg-K 410
380
Thermal Conductivity, W/m-K 28
72
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
16
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
17

Otherwise Unclassified Properties

Base Metal Price, % relative 27
30
Density, g/cm3 8.3
8.6
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 44
49
Embodied Water, L/kg 300
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
58
Resilience: Unit (Modulus of Resilience), kJ/m3 160
83
Stiffness to Weight: Axial, points 7.4
7.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16
8.2
Strength to Weight: Bending, points 16
10
Thermal Diffusivity, mm2/s 8.3
22
Thermal Shock Resistance, points 17
9.0

Alloy Composition

Aluminum (Al), % 0 to 0.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.020
Boron (B), % 0
0 to 0.1
Copper (Cu), % 79 to 85
82 to 89
Iron (Fe), % 0
0 to 0.4
Lead (Pb), % 0 to 0.5
0 to 0.090
Manganese (Mn), % 0
0 to 0.010
Nickel (Ni), % 0
0.5 to 2.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 3.0 to 5.0
0 to 0.0050
Sulfur (S), % 0
0.1 to 0.65
Tin (Sn), % 0
2.0 to 4.0
Zinc (Zn), % 12 to 16
5.0 to 14
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.7