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C99750 Brass vs. C99500 Copper

Both C99750 brass and C99500 copper are copper alloys. They have 64% of their average alloy composition in common. There are 26 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 C99750 brass and the bottom bar is C99500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
120
Elongation at Break, % 20 to 30
13
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 48
45
Tensile Strength: Ultimate (UTS), MPa 450 to 520
540
Tensile Strength: Yield (Proof), MPa 220 to 280
310

Thermal Properties

Latent Heat of Fusion, J/g 200
240
Maximum Temperature: Mechanical, °C 160
210
Melting Completion (Liquidus), °C 840
1090
Melting Onset (Solidus), °C 820
1040
Specific Heat Capacity, J/kg-K 410
400
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
10

Otherwise Unclassified Properties

Base Metal Price, % relative 23
30
Density, g/cm3 8.1
8.7
Embodied Carbon, kg CO2/kg material 3.1
3.0
Embodied Energy, MJ/kg 51
47
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 110
63
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 300
410
Stiffness to Weight: Axial, points 8.6
7.7
Stiffness to Weight: Bending, points 21
19
Strength to Weight: Axial, points 15 to 18
17
Strength to Weight: Bending, points 16 to 18
17
Thermal Shock Resistance, points 13 to 15
19

Alloy Composition

Aluminum (Al), % 0.25 to 3.0
0.5 to 2.0
Copper (Cu), % 55 to 61
82.5 to 92
Iron (Fe), % 0 to 1.0
3.0 to 5.0
Lead (Pb), % 0.5 to 2.5
0 to 0.25
Manganese (Mn), % 17 to 23
0 to 0.5
Nickel (Ni), % 0 to 5.0
3.5 to 5.5
Silicon (Si), % 0
0.5 to 2.0
Zinc (Zn), % 17 to 23
0.5 to 2.0
Residuals, % 0
0 to 0.3