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C82500 Copper vs. C38000 Brass

Both C82500 copper and C38000 brass are copper alloys. They have 58% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C82500 copper and the bottom bar is C38000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 1.0 to 20
17
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 45
39
Tensile Strength: Ultimate (UTS), MPa 550 to 1100
380
Tensile Strength: Yield (Proof), MPa 310 to 980
120

Thermal Properties

Latent Heat of Fusion, J/g 240
170
Maximum Temperature: Mechanical, °C 280
110
Melting Completion (Liquidus), °C 980
800
Melting Onset (Solidus), °C 860
760
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 17
21

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.0
Embodied Carbon, kg CO2/kg material 10
2.7
Embodied Energy, MJ/kg 160
46
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 94
50
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 4000
74
Stiffness to Weight: Axial, points 7.7
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 18 to 35
13
Strength to Weight: Bending, points 17 to 27
14
Thermal Diffusivity, mm2/s 38
37
Thermal Shock Resistance, points 19 to 38
13

Alloy Composition

Aluminum (Al), % 0 to 0.15
0 to 0.5
Beryllium (Be), % 1.9 to 2.3
0
Chromium (Cr), % 0 to 0.1
0
Cobalt (Co), % 0.15 to 0.7
0
Copper (Cu), % 95.3 to 97.8
55 to 60
Iron (Fe), % 0 to 0.25
0 to 0.35
Lead (Pb), % 0 to 0.020
1.5 to 2.5
Nickel (Ni), % 0 to 0.2
0
Silicon (Si), % 0.2 to 0.35
0
Tin (Sn), % 0 to 0.1
0 to 0.3
Titanium (Ti), % 0 to 0.12
0
Zinc (Zn), % 0 to 0.1
35.9 to 43.5
Residuals, % 0
0 to 0.5