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C42200 Brass vs. C87400 Brass

Both C42200 brass and C87400 brass are copper alloys. 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 (3, in this case) are not shown.

For each property being compared, the top bar is C42200 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, % 2.0 to 46
21
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 300 to 610
390
Tensile Strength: Yield (Proof), MPa 100 to 570
160

Thermal Properties

Latent Heat of Fusion, J/g 200
250
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 1040
920
Melting Onset (Solidus), °C 1020
820
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 130
28
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 32
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 29
27
Density, g/cm3 8.6
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 44
44
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 110
65
Resilience: Unit (Modulus of Resilience), kJ/m3 49 to 1460
120
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 9.5 to 19
13
Strength to Weight: Bending, points 11 to 18
14
Thermal Diffusivity, mm2/s 39
8.3
Thermal Shock Resistance, points 10 to 21
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.8
Copper (Cu), % 86 to 89
79 to 85.5
Iron (Fe), % 0 to 0.050
0
Lead (Pb), % 0 to 0.050
0 to 1.0
Phosphorus (P), % 0 to 0.35
0
Silicon (Si), % 0
2.5 to 4.0
Tin (Sn), % 0.8 to 1.4
0
Zinc (Zn), % 8.7 to 13.2
12 to 16
Residuals, % 0
0 to 0.8