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C81500 Copper vs. C37700 Brass

Both C81500 copper and C37700 brass are copper alloys. They have 60% 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 C81500 copper and the bottom bar is C37700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 17
40
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
39
Tensile Strength: Ultimate (UTS), MPa 350
400
Tensile Strength: Yield (Proof), MPa 280
160

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 1090
890
Melting Onset (Solidus), °C 1080
880
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 320
120
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
27
Electrical Conductivity: Equal Weight (Specific), % IACS 83
30

Otherwise Unclassified Properties

Base Metal Price, % relative 31
23
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 41
45
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
130
Resilience: Unit (Modulus of Resilience), kJ/m3 330
120
Stiffness to Weight: Axial, points 7.3
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
14
Strength to Weight: Bending, points 12
15
Thermal Diffusivity, mm2/s 91
39
Thermal Shock Resistance, points 12
13

Alloy Composition


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Aluminum (Al), % 0 to 0.1
0
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
58 to 61
Iron (Fe), % 0 to 0.1
0 to 0.3
Lead (Pb), % 0 to 0.020
1.5 to 2.5
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
35.7 to 40.5
Residuals, % 0 to 0.5
0 to 0.5