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C81500 Copper vs. C69300 Brass

Both C81500 copper and C69300 brass are copper alloys. They have 75% 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 C69300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 17
8.5 to 15
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
41
Tensile Strength: Ultimate (UTS), MPa 350
550 to 630
Tensile Strength: Yield (Proof), MPa 280
300 to 390

Thermal Properties

Latent Heat of Fusion, J/g 210
240
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1090
880
Melting Onset (Solidus), °C 1080
860
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 320
38
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 83
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 31
26
Density, g/cm3 8.9
8.2
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
45
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
47 to 70
Resilience: Unit (Modulus of Resilience), kJ/m3 330
400 to 700
Stiffness to Weight: Axial, points 7.3
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
19 to 21
Strength to Weight: Bending, points 12
18 to 20
Thermal Diffusivity, mm2/s 91
12
Thermal Shock Resistance, points 12
19 to 22

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
73 to 77
Iron (Fe), % 0 to 0.1
0 to 0.1
Lead (Pb), % 0 to 0.020
0 to 0.090
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.1
Phosphorus (P), % 0
0.040 to 0.15
Silicon (Si), % 0 to 0.15
2.7 to 3.4
Tin (Sn), % 0 to 0.1
0 to 0.2
Zinc (Zn), % 0 to 0.1
18.4 to 24.3
Residuals, % 0 to 0.5
0 to 0.5