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C43000 Brass vs. C70260 Copper

Both C43000 brass and C70260 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 (2, in this case) are not shown.

For each property being compared, the top bar is C43000 brass and the bottom bar is C70260 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 3.0 to 55
9.5 to 19
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
44
Shear Strength, MPa 230 to 410
320 to 450
Tensile Strength: Ultimate (UTS), MPa 320 to 710
520 to 760
Tensile Strength: Yield (Proof), MPa 130 to 550
410 to 650

Thermal Properties

Latent Heat of Fusion, J/g 190
220
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 1030
1060
Melting Onset (Solidus), °C 1000
1040
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 120
160
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
40 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 28
40 to 51

Otherwise Unclassified Properties

Base Metal Price, % relative 29
31
Density, g/cm3 8.6
8.9
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 46
43
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 150
46 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 82 to 1350
710 to 1810
Stiffness to Weight: Axial, points 7.1
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 10 to 23
16 to 24
Strength to Weight: Bending, points 12 to 20
16 to 21
Thermal Diffusivity, mm2/s 36
45
Thermal Shock Resistance, points 11 to 25
18 to 27

Alloy Composition

Copper (Cu), % 84 to 87
95.8 to 98.8
Iron (Fe), % 0 to 0.050
0
Lead (Pb), % 0 to 0.1
0
Nickel (Ni), % 0
1.0 to 3.0
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0.2 to 0.7
Tin (Sn), % 1.7 to 2.7
0
Zinc (Zn), % 9.7 to 14.3
0
Residuals, % 0
0 to 0.5