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C81500 Copper vs. C99750 Brass

Both C81500 copper and C99750 brass are copper alloys. They have 58% 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 C81500 copper and the bottom bar is C99750 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
110 to 120
Elastic (Young's, Tensile) Modulus, GPa 120
130
Elongation at Break, % 17
20 to 30
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
48
Tensile Strength: Ultimate (UTS), MPa 350
450 to 520
Tensile Strength: Yield (Proof), MPa 280
220 to 280

Thermal Properties

Latent Heat of Fusion, J/g 210
200
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1090
840
Melting Onset (Solidus), °C 1080
820
Specific Heat Capacity, J/kg-K 390
410
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 83
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 31
23
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 2.6
3.1
Embodied Energy, MJ/kg 41
51
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 330
190 to 300
Stiffness to Weight: Axial, points 7.3
8.6
Stiffness to Weight: Bending, points 18
21
Strength to Weight: Axial, points 11
15 to 18
Strength to Weight: Bending, points 12
16 to 18
Thermal Shock Resistance, points 12
13 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.1
0.25 to 3.0
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
55 to 61
Iron (Fe), % 0 to 0.1
0 to 1.0
Lead (Pb), % 0 to 0.020
0.5 to 2.5
Manganese (Mn), % 0
17 to 23
Nickel (Ni), % 0
0 to 5.0
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
17 to 23
Residuals, % 0 to 0.5
0 to 0.3