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C81500 Copper vs. C99700 Brass

Both C81500 copper and C99700 brass are copper alloys. They have 60% of their average alloy composition in common. There are 26 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 C99700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 17
25
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
46
Tensile Strength: Ultimate (UTS), MPa 350
380
Tensile Strength: Yield (Proof), MPa 280
170

Thermal Properties

Latent Heat of Fusion, J/g 210
200
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1090
900
Melting Onset (Solidus), °C 1080
880
Specific Heat Capacity, J/kg-K 390
410
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 83
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
25
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 2.6
3.3
Embodied Energy, MJ/kg 41
53
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
78
Resilience: Unit (Modulus of Resilience), kJ/m3 330
120
Stiffness to Weight: Axial, points 7.3
8.3
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 11
13
Strength to Weight: Bending, points 12
14
Thermal Shock Resistance, points 12
11

Alloy Composition

Aluminum (Al), % 0 to 0.1
0.5 to 3.0
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
54 to 65.5
Iron (Fe), % 0 to 0.1
0 to 1.0
Lead (Pb), % 0 to 0.020
0 to 2.0
Manganese (Mn), % 0
11 to 15
Nickel (Ni), % 0
4.0 to 6.0
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0 to 1.0
Zinc (Zn), % 0 to 0.1
19 to 25
Residuals, % 0 to 0.5
0 to 0.3