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C81500 Copper vs. C84100 Brass

Both C81500 copper and C84100 brass are copper alloys. They have 82% of their average alloy composition in common.

For each property being compared, the top bar is C81500 copper and the bottom bar is C84100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
65
Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 17
13
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
39
Tensile Strength: Ultimate (UTS), MPa 350
230
Tensile Strength: Yield (Proof), MPa 280
81

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1090
1000
Melting Onset (Solidus), °C 1080
810
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 320
110
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
23
Electrical Conductivity: Equal Weight (Specific), % IACS 83
25

Otherwise Unclassified Properties

Base Metal Price, % relative 31
29
Density, g/cm3 8.9
8.5
Embodied Carbon, kg CO2/kg material 2.6
2.9
Embodied Energy, MJ/kg 41
48
Embodied Water, L/kg 310
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
24
Resilience: Unit (Modulus of Resilience), kJ/m3 330
30
Stiffness to Weight: Axial, points 7.3
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
7.4
Strength to Weight: Bending, points 12
9.7
Thermal Diffusivity, mm2/s 91
33
Thermal Shock Resistance, points 12
7.8

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.010
Antimony (Sb), % 0
0 to 0.050
Bismuth (Bi), % 0
0 to 0.090
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
78 to 85
Iron (Fe), % 0 to 0.1
0 to 0.3
Lead (Pb), % 0 to 0.020
0.050 to 0.25
Nickel (Ni), % 0
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 to 0.5
0 to 0.5