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C87900 Brass vs. CC762S Brass

Both C87900 brass and CC762S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 88% 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 CC762S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
7.3
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 41
43
Tensile Strength: Ultimate (UTS), MPa 480
840
Tensile Strength: Yield (Proof), MPa 240
540

Thermal Properties

Latent Heat of Fusion, J/g 190
200
Maximum Temperature: Mechanical, °C 130
160
Melting Completion (Liquidus), °C 930
920
Melting Onset (Solidus), °C 900
870
Specific Heat Capacity, J/kg-K 390
420
Thermal Conductivity, W/m-K 120
51
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
28
Electrical Conductivity: Equal Weight (Specific), % IACS 17
32

Otherwise Unclassified Properties

Base Metal Price, % relative 24
24
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 46
51
Embodied Water, L/kg 320
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
54
Resilience: Unit (Modulus of Resilience), kJ/m3 270
1290
Stiffness to Weight: Axial, points 7.3
7.8
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 17
29
Strength to Weight: Bending, points 17
25
Thermal Diffusivity, mm2/s 37
15
Thermal Shock Resistance, points 16
27

Alloy Composition

Aluminum (Al), % 0 to 0.15
3.0 to 7.0
Antimony (Sb), % 0 to 0.050
0 to 0.030
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 63 to 69.2
57 to 67
Iron (Fe), % 0 to 0.4
1.5 to 4.0
Lead (Pb), % 0 to 0.25
0 to 0.2
Manganese (Mn), % 0 to 0.15
2.5 to 5.0
Nickel (Ni), % 0 to 0.5
0 to 3.0
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0.8 to 1.2
0 to 0.1
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0 to 0.2
Zinc (Zn), % 30 to 36
13.4 to 36