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C12500 Copper vs. C46400 Brass

Both C12500 copper and C46400 brass are copper alloys. They have 61% 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 C12500 copper and the bottom bar is C46400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 1.5 to 50
17 to 40
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 43
40
Shear Strength, MPa 150 to 220
270 to 310
Tensile Strength: Ultimate (UTS), MPa 220 to 420
400 to 500
Tensile Strength: Yield (Proof), MPa 75 to 390
160 to 320

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 1080
900
Melting Onset (Solidus), °C 1070
890
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 350
120
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 92
26
Electrical Conductivity: Equal Weight (Specific), % IACS 93
29

Otherwise Unclassified Properties

Base Metal Price, % relative 31
23
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
47
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6 to 88
76 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 24 to 660
120 to 500
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 6.9 to 13
14 to 17
Strength to Weight: Bending, points 9.1 to 14
15 to 17
Thermal Diffusivity, mm2/s 100
38
Thermal Shock Resistance, points 7.8 to 15
13 to 16

Alloy Composition

Antimony (Sb), % 0 to 0.0030
0
Arsenic (As), % 0 to 0.012
0
Bismuth (Bi), % 0 to 0.0030
0
Copper (Cu), % 99.88 to 100
59 to 62
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0 to 0.0040
0 to 0.2
Nickel (Ni), % 0 to 0.050
0
Tellurium (Te), % 0 to 0.025
0
Tin (Sn), % 0
0.5 to 1.0
Zinc (Zn), % 0
36.3 to 40.5
Residuals, % 0
0 to 0.4

Comparable Variants