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C43000 Brass vs. C12900 Copper

Both C43000 brass and C12900 copper are copper alloys. They have 86% of their average alloy composition in common. There are 29 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 C43000 brass and the bottom bar is C12900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 3.0 to 55
2.8 to 50
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
43
Shear Strength, MPa 230 to 410
150 to 210
Tensile Strength: Ultimate (UTS), MPa 320 to 710
220 to 420
Tensile Strength: Yield (Proof), MPa 130 to 550
75 to 380

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 1030
1080
Melting Onset (Solidus), °C 1000
1030
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 120
380
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
98
Electrical Conductivity: Equal Weight (Specific), % IACS 28
98

Otherwise Unclassified Properties

Base Metal Price, % relative 29
32
Density, g/cm3 8.6
9.0
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 46
41
Embodied Water, L/kg 330
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 150
11 to 88
Resilience: Unit (Modulus of Resilience), kJ/m3 82 to 1350
24 to 640
Stiffness to Weight: Axial, points 7.1
7.2
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 10 to 23
6.8 to 13
Strength to Weight: Bending, points 12 to 20
9.1 to 14
Thermal Diffusivity, mm2/s 36
110
Thermal Shock Resistance, points 11 to 25
7.8 to 15

Alloy Composition

Antimony (Sb), % 0
0 to 0.0030
Arsenic (As), % 0
0 to 0.012
Bismuth (Bi), % 0
0 to 0.0030
Copper (Cu), % 84 to 87
99.88 to 100
Iron (Fe), % 0 to 0.050
0
Lead (Pb), % 0 to 0.1
0 to 0.0040
Nickel (Ni), % 0
0 to 0.050
Silver (Ag), % 0
0 to 0.054
Tellurium (Te), % 0
0 to 0.025
Tin (Sn), % 1.7 to 2.7
0
Zinc (Zn), % 9.7 to 14.3
0
Residuals, % 0 to 0.5
0

Comparable Variants