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C87900 Brass vs. C84000 Brass

Both C87900 brass and C84000 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 76% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C87900 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, % 25
27
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 480
250
Tensile Strength: Yield (Proof), MPa 240
140

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 930
1040
Melting Onset (Solidus), °C 900
940
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 120
72
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
16
Electrical Conductivity: Equal Weight (Specific), % IACS 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 24
30
Density, g/cm3 8.1
8.6
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 46
49
Embodied Water, L/kg 320
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
58
Resilience: Unit (Modulus of Resilience), kJ/m3 270
83
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 17
8.2
Strength to Weight: Bending, points 17
10
Thermal Diffusivity, mm2/s 37
22
Thermal Shock Resistance, points 16
9.0

Alloy Composition


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Aluminum (Al), % 0 to 0.15
0 to 0.0050
Antimony (Sb), % 0 to 0.050
0 to 0.020
Arsenic (As), % 0 to 0.050
0
Boron (B), % 0
0 to 0.1
Copper (Cu), % 63 to 69.2
82 to 89
Iron (Fe), % 0 to 0.4
0 to 0.4
Lead (Pb), % 0 to 0.25
0 to 0.090
Manganese (Mn), % 0 to 0.15
0 to 0.010
Nickel (Ni), % 0 to 0.5
0.5 to 2.0
Phosphorus (P), % 0 to 0.010
0 to 0.050
Silicon (Si), % 0.8 to 1.2
0 to 0.0050
Sulfur (S), % 0 to 0.050
0.1 to 0.65
Tin (Sn), % 0 to 0.25
2.0 to 4.0
Zinc (Zn), % 30 to 36
5.0 to 14
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.7