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CR008A Copper vs. C99750 Brass

Both CR008A copper and C99750 brass are copper alloys. They have 58% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CR008A copper and the bottom bar is C99750 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
130
Elongation at Break, % 15
20 to 30
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 43
48
Tensile Strength: Ultimate (UTS), MPa 220
450 to 520
Tensile Strength: Yield (Proof), MPa 130
220 to 280

Thermal Properties

Latent Heat of Fusion, J/g 210
200
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1090
840
Melting Onset (Solidus), °C 1040
820
Specific Heat Capacity, J/kg-K 390
410
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 31
23
Density, g/cm3 9.0
8.1
Embodied Carbon, kg CO2/kg material 2.6
3.1
Embodied Energy, MJ/kg 41
51
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 76
190 to 300
Stiffness to Weight: Axial, points 7.2
8.6
Stiffness to Weight: Bending, points 18
21
Strength to Weight: Axial, points 6.8
15 to 18
Strength to Weight: Bending, points 9.0
16 to 18
Thermal Shock Resistance, points 7.8
13 to 15

Alloy Composition

Aluminum (Al), % 0
0.25 to 3.0
Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.95 to 100
55 to 61
Iron (Fe), % 0
0 to 1.0
Lead (Pb), % 0 to 0.0050
0.5 to 2.5
Manganese (Mn), % 0
17 to 23
Nickel (Ni), % 0
0 to 5.0
Silver (Ag), % 0 to 0.015
0
Zinc (Zn), % 0
17 to 23
Residuals, % 0
0 to 0.3