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C69710 Brass vs. C99300 Copper

Both C69710 brass and C99300 copper are copper alloys. They have 72% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C69710 brass and the bottom bar is C99300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 25
2.0
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
46
Tensile Strength: Ultimate (UTS), MPa 470
660
Tensile Strength: Yield (Proof), MPa 230
380

Thermal Properties

Latent Heat of Fusion, J/g 240
240
Maximum Temperature: Mechanical, °C 160
250
Melting Completion (Liquidus), °C 930
1080
Melting Onset (Solidus), °C 880
1070
Specific Heat Capacity, J/kg-K 400
450
Thermal Conductivity, W/m-K 40
43
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 26
35
Density, g/cm3 8.3
8.2
Embodied Carbon, kg CO2/kg material 2.7
4.5
Embodied Energy, MJ/kg 44
70
Embodied Water, L/kg 310
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
11
Resilience: Unit (Modulus of Resilience), kJ/m3 250
590
Stiffness to Weight: Axial, points 7.3
8.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 16
22
Strength to Weight: Bending, points 16
20
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 16
22

Alloy Composition

Aluminum (Al), % 0
10.7 to 11.5
Arsenic (As), % 0.030 to 0.060
0
Cobalt (Co), % 0
1.0 to 2.0
Copper (Cu), % 75 to 80
68.6 to 74.4
Iron (Fe), % 0 to 0.2
0.4 to 1.0
Lead (Pb), % 0.5 to 1.5
0 to 0.020
Manganese (Mn), % 0 to 0.4
0
Nickel (Ni), % 0
13.5 to 16.5
Silicon (Si), % 2.5 to 3.5
0 to 0.020
Tin (Sn), % 0
0 to 0.050
Zinc (Zn), % 13.8 to 22
0
Residuals, % 0
0 to 0.3