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C99700 Brass vs. C82500 Copper

Both C99700 brass and C82500 copper are copper alloys. They have 60% of their average alloy composition in common. There are 25 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 C99700 brass and the bottom bar is C82500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 25
1.0 to 20
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 46
45
Tensile Strength: Ultimate (UTS), MPa 380
550 to 1100
Tensile Strength: Yield (Proof), MPa 170
310 to 980

Thermal Properties

Latent Heat of Fusion, J/g 200
240
Maximum Temperature: Mechanical, °C 160
280
Melting Completion (Liquidus), °C 900
980
Melting Onset (Solidus), °C 880
860
Specific Heat Capacity, J/kg-K 410
390
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
20
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
21

Otherwise Unclassified Properties

Density, g/cm3 8.1
8.8
Embodied Carbon, kg CO2/kg material 3.3
10
Embodied Energy, MJ/kg 53
160
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
11 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 120
400 to 4000
Stiffness to Weight: Axial, points 8.3
7.7
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 13
18 to 35
Strength to Weight: Bending, points 14
17 to 27
Thermal Shock Resistance, points 11
19 to 38

Alloy Composition

Aluminum (Al), % 0.5 to 3.0
0 to 0.15
Beryllium (Be), % 0
1.9 to 2.3
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
0.15 to 0.7
Copper (Cu), % 54 to 65.5
95.3 to 97.8
Iron (Fe), % 0 to 1.0
0 to 0.25
Lead (Pb), % 0 to 2.0
0 to 0.020
Manganese (Mn), % 11 to 15
0
Nickel (Ni), % 4.0 to 6.0
0 to 0.2
Silicon (Si), % 0
0.2 to 0.35
Tin (Sn), % 0 to 1.0
0 to 0.1
Titanium (Ti), % 0
0 to 0.12
Zinc (Zn), % 19 to 25
0 to 0.1
Residuals, % 0
0 to 0.5