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CC765S Brass vs. CR008A Copper

Both CC765S brass and CR008A copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 58% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is CC765S brass and the bottom bar is CR008A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 21
15
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 42
43
Tensile Strength: Ultimate (UTS), MPa 540
220
Tensile Strength: Yield (Proof), MPa 220
130

Thermal Properties

Latent Heat of Fusion, J/g 180
210
Maximum Temperature: Mechanical, °C 140
200
Melting Completion (Liquidus), °C 860
1090
Melting Onset (Solidus), °C 820
1040
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 91
380
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
100
Electrical Conductivity: Equal Weight (Specific), % IACS 34
100

Otherwise Unclassified Properties

Base Metal Price, % relative 24
31
Density, g/cm3 8.0
9.0
Embodied Carbon, kg CO2/kg material 3.0
2.6
Embodied Energy, MJ/kg 51
41
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
29
Resilience: Unit (Modulus of Resilience), kJ/m3 220
76
Stiffness to Weight: Axial, points 7.6
7.2
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 19
6.8
Strength to Weight: Bending, points 18
9.0
Thermal Diffusivity, mm2/s 28
110
Thermal Shock Resistance, points 17
7.8

Alloy Composition

Aluminum (Al), % 0.5 to 2.5
0
Antimony (Sb), % 0 to 0.080
0
Bismuth (Bi), % 0
0 to 0.00050
Copper (Cu), % 51 to 65
99.95 to 100
Iron (Fe), % 0.5 to 2.0
0
Lead (Pb), % 0 to 0.5
0 to 0.0050
Manganese (Mn), % 0.3 to 3.0
0
Nickel (Ni), % 0 to 6.0
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.1
0
Silver (Ag), % 0
0 to 0.015
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 19.8 to 47.7
0