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C99700 Brass vs. C99300 Copper

Both C99700 brass and C99300 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 67% 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 C99300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 25
2.0
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 46
46
Tensile Strength: Ultimate (UTS), MPa 380
660
Tensile Strength: Yield (Proof), MPa 170
380

Thermal Properties

Latent Heat of Fusion, J/g 200
240
Maximum Temperature: Mechanical, °C 160
250
Melting Completion (Liquidus), °C 900
1080
Melting Onset (Solidus), °C 880
1070
Specific Heat Capacity, J/kg-K 410
450
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 25
35
Density, g/cm3 8.1
8.2
Embodied Carbon, kg CO2/kg material 3.3
4.5
Embodied Energy, MJ/kg 53
70
Embodied Water, L/kg 320
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
11
Resilience: Unit (Modulus of Resilience), kJ/m3 120
590
Stiffness to Weight: Axial, points 8.3
8.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 13
22
Strength to Weight: Bending, points 14
20
Thermal Shock Resistance, points 11
22

Alloy Composition

Aluminum (Al), % 0.5 to 3.0
10.7 to 11.5
Cobalt (Co), % 0
1.0 to 2.0
Copper (Cu), % 54 to 65.5
68.6 to 74.4
Iron (Fe), % 0 to 1.0
0.4 to 1.0
Lead (Pb), % 0 to 2.0
0 to 0.020
Manganese (Mn), % 11 to 15
0
Nickel (Ni), % 4.0 to 6.0
13.5 to 16.5
Silicon (Si), % 0
0 to 0.020
Tin (Sn), % 0 to 1.0
0 to 0.050
Zinc (Zn), % 19 to 25
0
Residuals, % 0
0 to 0.3