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C68800 Brass vs. CR013A Copper

Both C68800 brass and CR013A copper are copper alloys. They have 73% of their average alloy composition in common. There are 28 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 C68800 brass and the bottom bar is CR013A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 2.0 to 36
15
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
43
Tensile Strength: Ultimate (UTS), MPa 570 to 890
230
Tensile Strength: Yield (Proof), MPa 390 to 790
140

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 960
1090
Melting Onset (Solidus), °C 950
1040
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 40
390
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
100
Electrical Conductivity: Equal Weight (Specific), % IACS 20
100

Otherwise Unclassified Properties

Base Metal Price, % relative 26
35
Density, g/cm3 8.2
9.0
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 48
42
Embodied Water, L/kg 350
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 180
31
Resilience: Unit (Modulus of Resilience), kJ/m3 710 to 2860
83
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 19 to 30
7.1
Strength to Weight: Bending, points 19 to 25
9.3
Thermal Diffusivity, mm2/s 12
110
Thermal Shock Resistance, points 19 to 30
8.1

Alloy Composition

Aluminum (Al), % 3.0 to 3.8
0
Bismuth (Bi), % 0
0 to 0.00050
Cobalt (Co), % 0.25 to 0.55
0
Copper (Cu), % 70.8 to 75.5
99.81 to 99.92
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 0 to 0.050
0
Oxygen (O), % 0
0 to 0.040
Silver (Ag), % 0
0.080 to 0.12
Zinc (Zn), % 21.3 to 24.1
0
Residuals, % 0 to 0.5
0