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C38000 Brass vs. C87400 Brass

Both C38000 brass and C87400 brass are copper alloys. They have 73% of their average alloy composition in common. There are 26 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 C38000 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, % 17
21
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 39
41
Tensile Strength: Ultimate (UTS), MPa 380
390
Tensile Strength: Yield (Proof), MPa 120
160

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Maximum Temperature: Mechanical, °C 110
170
Melting Completion (Liquidus), °C 800
920
Melting Onset (Solidus), °C 760
820
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 110
28
Thermal Expansion, µm/m-K 21
18

Otherwise Unclassified Properties

Base Metal Price, % relative 22
27
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 46
44
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
65
Resilience: Unit (Modulus of Resilience), kJ/m3 74
120
Stiffness to Weight: Axial, points 7.1
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13
13
Strength to Weight: Bending, points 14
14
Thermal Diffusivity, mm2/s 37
8.3
Thermal Shock Resistance, points 13
14

Alloy Composition

Aluminum (Al), % 0 to 0.5
0 to 0.8
Copper (Cu), % 55 to 60
79 to 85.5
Iron (Fe), % 0 to 0.35
0
Lead (Pb), % 1.5 to 2.5
0 to 1.0
Silicon (Si), % 0
2.5 to 4.0
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 35.9 to 43.5
12 to 16
Residuals, % 0
0 to 0.8