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C99700 Brass vs. C81400 Copper

Both C99700 brass and C81400 copper 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 C99700 brass and the bottom bar is C81400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 25
11
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 46
41
Tensile Strength: Ultimate (UTS), MPa 380
370
Tensile Strength: Yield (Proof), MPa 170
250

Thermal Properties

Latent Heat of Fusion, J/g 200
210
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 900
1090
Melting Onset (Solidus), °C 880
1070
Specific Heat Capacity, J/kg-K 410
390
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
60
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
61

Otherwise Unclassified Properties

Base Metal Price, % relative 25
33
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 3.3
2.8
Embodied Energy, MJ/kg 53
45
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
36
Resilience: Unit (Modulus of Resilience), kJ/m3 120
260
Stiffness to Weight: Axial, points 8.3
7.3
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 13
11
Strength to Weight: Bending, points 14
13
Thermal Shock Resistance, points 11
13

Alloy Composition

Aluminum (Al), % 0.5 to 3.0
0
Beryllium (Be), % 0
0.020 to 0.1
Chromium (Cr), % 0
0.6 to 1.0
Copper (Cu), % 54 to 65.5
98.4 to 99.38
Iron (Fe), % 0 to 1.0
0
Lead (Pb), % 0 to 2.0
0
Manganese (Mn), % 11 to 15
0
Nickel (Ni), % 4.0 to 6.0
0
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 19 to 25
0
Residuals, % 0
0 to 0.5