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C32000 Brass vs. C12200 Copper

Both C32000 brass and C12200 copper are copper alloys. They have 85% of their average alloy composition in common. There are 29 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 C32000 brass and the bottom bar is C12200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 6.8 to 29
3.2 to 50
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 41
43
Shear Strength, MPa 180 to 280
150 to 240
Tensile Strength: Ultimate (UTS), MPa 270 to 470
220 to 410
Tensile Strength: Yield (Proof), MPa 78 to 390
69 to 400

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 1020
1080
Melting Onset (Solidus), °C 990
1030
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 160
340
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
85
Electrical Conductivity: Equal Weight (Specific), % IACS 37
85

Otherwise Unclassified Properties

Base Metal Price, % relative 28
31
Density, g/cm3 8.7
9.0
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 42
41
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 59
11 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 680
21 to 690
Stiffness to Weight: Axial, points 7.1
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 8.8 to 15
6.9 to 13
Strength to Weight: Bending, points 11 to 16
9.1 to 14
Thermal Diffusivity, mm2/s 47
98
Thermal Shock Resistance, points 9.5 to 16
7.9 to 15

Alloy Composition


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Copper (Cu), % 83.5 to 86.5
99.9 to 99.985
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 1.5 to 2.2
0
Nickel (Ni), % 0 to 0.25
0
Phosphorus (P), % 0
0.015 to 0.040
Zinc (Zn), % 10.6 to 15
0
Residuals, % 0 to 0.4
0

Comparable Variants