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C84000 Brass vs. C94300 Bronze

Both C84000 brass and C94300 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 74% 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 C94300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
87
Elongation at Break, % 27
9.7
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 42
32
Tensile Strength: Ultimate (UTS), MPa 250
180
Tensile Strength: Yield (Proof), MPa 140
120

Thermal Properties

Latent Heat of Fusion, J/g 190
150
Maximum Temperature: Mechanical, °C 170
110
Melting Completion (Liquidus), °C 1040
820
Melting Onset (Solidus), °C 940
760
Specific Heat Capacity, J/kg-K 380
320
Thermal Conductivity, W/m-K 72
63
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 17
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 30
28
Density, g/cm3 8.6
9.3
Embodied Carbon, kg CO2/kg material 3.0
2.9
Embodied Energy, MJ/kg 49
47
Embodied Water, L/kg 330
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 58
15
Resilience: Unit (Modulus of Resilience), kJ/m3 83
77
Stiffness to Weight: Axial, points 7.2
5.2
Stiffness to Weight: Bending, points 19
16
Strength to Weight: Axial, points 8.2
5.2
Strength to Weight: Bending, points 10
7.4
Thermal Diffusivity, mm2/s 22
21
Thermal Shock Resistance, points 9.0
7.1

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.020
0 to 0.8
Boron (B), % 0 to 0.1
0
Copper (Cu), % 82 to 89
67 to 72
Iron (Fe), % 0 to 0.4
0 to 0.15
Lead (Pb), % 0 to 0.090
23 to 27
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 1.5
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
4.5 to 6.0
Zinc (Zn), % 5.0 to 14
0 to 0.8
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0 to 0.7
0 to 1.0