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C82700 Copper vs. C84100 Brass

Both C82700 copper and C84100 brass are copper alloys. They have 82% of their average alloy composition in common. There are 27 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 C82700 copper and the bottom bar is C84100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 1.8
13
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 46
39
Tensile Strength: Ultimate (UTS), MPa 1200
230
Tensile Strength: Yield (Proof), MPa 1020
81

Thermal Properties

Latent Heat of Fusion, J/g 240
190
Maximum Temperature: Mechanical, °C 300
160
Melting Completion (Liquidus), °C 950
1000
Melting Onset (Solidus), °C 860
810
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
23
Electrical Conductivity: Equal Weight (Specific), % IACS 21
25

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.5
Embodied Carbon, kg CO2/kg material 12
2.9
Embodied Energy, MJ/kg 180
48
Embodied Water, L/kg 310
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
24
Resilience: Unit (Modulus of Resilience), kJ/m3 4260
30
Stiffness to Weight: Axial, points 7.8
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 38
7.4
Strength to Weight: Bending, points 29
9.7
Thermal Diffusivity, mm2/s 39
33
Thermal Shock Resistance, points 41
7.8

Alloy Composition

Aluminum (Al), % 0 to 0.15
0 to 0.010
Antimony (Sb), % 0
0 to 0.050
Beryllium (Be), % 2.4 to 2.6
0
Bismuth (Bi), % 0
0 to 0.090
Chromium (Cr), % 0 to 0.090
0
Copper (Cu), % 94.6 to 96.7
78 to 85
Iron (Fe), % 0 to 0.25
0 to 0.3
Lead (Pb), % 0 to 0.020
0.050 to 0.25
Nickel (Ni), % 1.0 to 1.5
0 to 0.5
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.15
0 to 0.010
Tin (Sn), % 0 to 0.1
1.5 to 4.5
Zinc (Zn), % 0 to 0.1
12 to 20
Residuals, % 0
0 to 0.5