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C84000 Brass vs. C89320 Bronze

Both C84000 brass and C89320 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 90% 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 C84000 brass and the bottom bar is C89320 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 27
17
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 250
270
Tensile Strength: Yield (Proof), MPa 140
140

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 1040
1050
Melting Onset (Solidus), °C 940
930
Specific Heat Capacity, J/kg-K 380
360
Thermal Conductivity, W/m-K 72
56
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
15
Electrical Conductivity: Equal Weight (Specific), % IACS 17
15

Otherwise Unclassified Properties

Base Metal Price, % relative 30
37
Density, g/cm3 8.6
8.9
Embodied Carbon, kg CO2/kg material 3.0
3.5
Embodied Energy, MJ/kg 49
56
Embodied Water, L/kg 330
490

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 58
38
Resilience: Unit (Modulus of Resilience), kJ/m3 83
93
Stiffness to Weight: Axial, points 7.2
6.8
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 8.2
8.5
Strength to Weight: Bending, points 10
10
Thermal Diffusivity, mm2/s 22
17
Thermal Shock Resistance, points 9.0
10

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.020
0 to 0.35
Bismuth (Bi), % 0
4.0 to 6.0
Boron (B), % 0 to 0.1
0
Copper (Cu), % 82 to 89
87 to 91
Iron (Fe), % 0 to 0.4
0 to 0.2
Lead (Pb), % 0 to 0.090
0 to 0.090
Manganese (Mn), % 0 to 0.010
0
Nickel (Ni), % 0.5 to 2.0
0 to 1.0
Phosphorus (P), % 0 to 0.050
0 to 0.3
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0.1 to 0.65
0 to 0.080
Tin (Sn), % 2.0 to 4.0
5.0 to 7.0
Zinc (Zn), % 5.0 to 14
0 to 1.0
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0 to 0.7
0 to 0.5