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CR009A Copper vs. C69300 Brass

Both CR009A copper and C69300 brass are copper alloys. They have 75% of their average alloy composition in common. There are 28 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 CR009A copper and the bottom bar is C69300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
8.5 to 15
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 43
41
Tensile Strength: Ultimate (UTS), MPa 230
550 to 630
Tensile Strength: Yield (Proof), MPa 140
300 to 390

Thermal Properties

Latent Heat of Fusion, J/g 210
240
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1090
880
Melting Onset (Solidus), °C 1040
860
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 380
38
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 31
26
Density, g/cm3 9.0
8.2
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
45
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
47 to 70
Resilience: Unit (Modulus of Resilience), kJ/m3 83
400 to 700
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.1
19 to 21
Strength to Weight: Bending, points 9.3
18 to 20
Thermal Diffusivity, mm2/s 110
12
Thermal Shock Resistance, points 8.1
19 to 22

Alloy Composition


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Antimony (Sb), % 0 to 0.00040
0
Arsenic (As), % 0 to 0.00050
0
Bismuth (Bi), % 0 to 0.00020
0
Cadmium (Cd), % 0 to 0.00010
0
Copper (Cu), % 99.99 to 100
73 to 77
Iron (Fe), % 0 to 0.0010
0 to 0.1
Lead (Pb), % 0 to 0.00050
0 to 0.090
Manganese (Mn), % 0 to 0.00050
0 to 0.1
Nickel (Ni), % 0 to 0.0010
0 to 0.1
Phosphorus (P), % 0 to 0.0030
0.040 to 0.15
Selenium (Se), % 0 to 0.00020
0
Silicon (Si), % 0
2.7 to 3.4
Silver (Ag), % 0 to 0.0025
0
Sulfur (S), % 0 to 0.0015
0
Tellurium (Te), % 0 to 0.00020
0
Tin (Sn), % 0 to 0.00020
0 to 0.2
Zinc (Zn), % 0 to 0.00010
18.4 to 24.3
Residuals, % 0
0 to 0.5