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C42600 Brass vs. C87400 Brass

Both C42600 brass and C87400 brass are copper alloys. They have a moderately high 90% of their average alloy composition in common. 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 C42600 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, % 1.1 to 40
21
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 410 to 830
390
Tensile Strength: Yield (Proof), MPa 220 to 810
160

Thermal Properties

Latent Heat of Fusion, J/g 200
250
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 1030
920
Melting Onset (Solidus), °C 1010
820
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 110
28
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 26
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 31
27
Density, g/cm3 8.7
8.3
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 48
44
Embodied Water, L/kg 340
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.4 to 140
65
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 2970
120
Stiffness to Weight: Axial, points 7.1
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 13 to 27
13
Strength to Weight: Bending, points 14 to 23
14
Thermal Diffusivity, mm2/s 33
8.3
Thermal Shock Resistance, points 15 to 29
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.8
Copper (Cu), % 87 to 90
79 to 85.5
Iron (Fe), % 0.050 to 0.2
0
Lead (Pb), % 0 to 0.050
0 to 1.0
Nickel (Ni), % 0.050 to 0.2
0
Phosphorus (P), % 0.020 to 0.050
0
Silicon (Si), % 0
2.5 to 4.0
Tin (Sn), % 2.5 to 4.0
0
Zinc (Zn), % 5.3 to 10.4
12 to 16
Residuals, % 0
0 to 0.8