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C37100 Brass vs. C87400 Brass

Both C37100 brass and C87400 brass are copper alloys. They have 75% 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 C37100 brass and the bottom bar is C87400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 8.0 to 40
21
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 370 to 520
390
Tensile Strength: Yield (Proof), MPa 150 to 390
160

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 900
920
Melting Onset (Solidus), °C 890
820
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 120
28
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 30
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 23
27
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 45
44
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 120
65
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 750
120
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 13 to 18
13
Strength to Weight: Bending, points 14 to 18
14
Thermal Diffusivity, mm2/s 39
8.3
Thermal Shock Resistance, points 12 to 17
14

Alloy Composition


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Aluminum (Al), % 0
0 to 0.8
Copper (Cu), % 58 to 62
79 to 85.5
Iron (Fe), % 0 to 0.15
0
Lead (Pb), % 0.6 to 1.2
0 to 1.0
Silicon (Si), % 0
2.5 to 4.0
Zinc (Zn), % 36.3 to 41.4
12 to 16
Residuals, % 0 to 0.4
0 to 0.8