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CR012A Copper vs. C48200 Brass

Both CR012A copper and C48200 brass are copper alloys. They have 61% 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 CR012A copper and the bottom bar is C48200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 15
15 to 40
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 43
40
Tensile Strength: Ultimate (UTS), MPa 220
400 to 500
Tensile Strength: Yield (Proof), MPa 130
160 to 320

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 1090
900
Melting Onset (Solidus), °C 1040
890
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 390
120
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
26
Electrical Conductivity: Equal Weight (Specific), % IACS 100
29

Otherwise Unclassified Properties

Base Metal Price, % relative 33
23
Density, g/cm3 9.0
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 42
47
Embodied Water, L/kg 360
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
61 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 76
120 to 500
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 6.8
14 to 17
Strength to Weight: Bending, points 9.0
15 to 17
Thermal Diffusivity, mm2/s 110
38
Thermal Shock Resistance, points 7.8
13 to 16

Alloy Composition


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Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.85 to 99.94
59 to 62
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0
0.4 to 1.0
Oxygen (O), % 0 to 0.040
0
Silver (Ag), % 0.060 to 0.080
0
Tin (Sn), % 0
0.5 to 1.0
Zinc (Zn), % 0
35.5 to 40.1
Residuals, % 0
0 to 0.4