MakeItFrom.com
Menu (ESC)

C87800 Brass vs. C87400 Brass

Both C87800 brass and C87400 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. Their average alloy composition is basically identical. 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 C87800 brass and the bottom bar is C87400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
21
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 590
390
Tensile Strength: Yield (Proof), MPa 350
160

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 920
920
Melting Onset (Solidus), °C 820
820
Specific Heat Capacity, J/kg-K 410
400
Thermal Conductivity, W/m-K 28
28
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 27
27
Density, g/cm3 8.3
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 44
44
Embodied Water, L/kg 300
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
65
Resilience: Unit (Modulus of Resilience), kJ/m3 540
120
Stiffness to Weight: Axial, points 7.4
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 20
13
Strength to Weight: Bending, points 19
14
Thermal Diffusivity, mm2/s 8.3
8.3
Thermal Shock Resistance, points 21
14

Alloy Composition

Aluminum (Al), % 0 to 0.15
0 to 0.8
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 80 to 84.2
79 to 85.5
Iron (Fe), % 0 to 0.15
0
Lead (Pb), % 0 to 0.15
0 to 1.0
Magnesium (Mg), % 0 to 0.010
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 3.8 to 4.2
2.5 to 4.0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 12 to 16
12 to 16
Residuals, % 0
0 to 0.8