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C87800 Brass vs. C83400 Brass

Both C87800 brass and C83400 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 (2, in this case) are not shown.

For each property being compared, the top bar is C87800 brass and the bottom bar is C83400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
30
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 590
240
Tensile Strength: Yield (Proof), MPa 350
69

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
55
Resilience: Unit (Modulus of Resilience), kJ/m3 540
21
Stiffness to Weight: Axial, points 7.4
7.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 20
7.7
Strength to Weight: Bending, points 19
9.9
Thermal Diffusivity, mm2/s 8.3
57
Thermal Shock Resistance, points 21
8.4

Alloy Composition


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Aluminum (Al), % 0 to 0.15
0 to 0.0050
Antimony (Sb), % 0 to 0.050
0 to 0.25
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 80 to 84.2
88 to 92
Iron (Fe), % 0 to 0.15
0 to 0.25
Lead (Pb), % 0 to 0.15
0 to 0.5
Magnesium (Mg), % 0 to 0.010
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.2
0 to 1.0
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 3.8 to 4.2
0 to 0.0050
Sulfur (S), % 0 to 0.050
0 to 0.080
Tin (Sn), % 0 to 0.25
0 to 0.2
Zinc (Zn), % 12 to 16
8.0 to 12
Residuals, % 0 to 0.5
0 to 0.7