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C84000 Brass vs. C93400 Bronze

Both C84000 brass and C93400 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 88% 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 C93400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 27
9.1
Poisson's Ratio 0.33
0.35
Shear Modulus, GPa 42
38
Tensile Strength: Ultimate (UTS), MPa 250
270
Tensile Strength: Yield (Proof), MPa 140
150

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 170
150
Melting Completion (Liquidus), °C 1040
950
Melting Onset (Solidus), °C 940
850
Specific Heat Capacity, J/kg-K 380
350
Thermal Conductivity, W/m-K 72
58
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
12
Electrical Conductivity: Equal Weight (Specific), % IACS 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 30
32
Density, g/cm3 8.6
8.9
Embodied Carbon, kg CO2/kg material 3.0
3.3
Embodied Energy, MJ/kg 49
54
Embodied Water, L/kg 330
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 58
21
Resilience: Unit (Modulus of Resilience), kJ/m3 83
120
Stiffness to Weight: Axial, points 7.2
6.3
Stiffness to Weight: Bending, points 19
17
Strength to Weight: Axial, points 8.2
8.3
Strength to Weight: Bending, points 10
10
Thermal Diffusivity, mm2/s 22
18
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 0.5
Boron (B), % 0 to 0.1
0
Copper (Cu), % 82 to 89
82 to 85
Iron (Fe), % 0 to 0.4
0 to 0.2
Lead (Pb), % 0 to 0.090
7.0 to 9.0
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
7.0 to 9.0
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