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C84000 Brass vs. C93900 Bronze

Both C84000 brass and C93900 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 83% 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 C93900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
95
Elongation at Break, % 27
5.6
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 42
35
Tensile Strength: Ultimate (UTS), MPa 250
190
Tensile Strength: Yield (Proof), MPa 140
130

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 170
140
Melting Completion (Liquidus), °C 1040
940
Melting Onset (Solidus), °C 940
850
Specific Heat Capacity, J/kg-K 380
340
Thermal Conductivity, W/m-K 72
52
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
11
Electrical Conductivity: Equal Weight (Specific), % IACS 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 30
30
Density, g/cm3 8.6
9.1
Embodied Carbon, kg CO2/kg material 3.0
3.0
Embodied Energy, MJ/kg 49
49
Embodied Water, L/kg 330
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 58
9.5
Resilience: Unit (Modulus of Resilience), kJ/m3 83
83
Stiffness to Weight: Axial, points 7.2
5.8
Stiffness to Weight: Bending, points 19
17
Strength to Weight: Axial, points 8.2
5.9
Strength to Weight: Bending, points 10
8.1
Thermal Diffusivity, mm2/s 22
17
Thermal Shock Resistance, points 9.0
7.5

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
76.5 to 79.5
Iron (Fe), % 0 to 0.4
0 to 0.4
Lead (Pb), % 0 to 0.090
14 to 18
Manganese (Mn), % 0 to 0.010
0
Nickel (Ni), % 0.5 to 2.0
0 to 0.8
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
5.0 to 7.0
Zinc (Zn), % 5.0 to 14
0 to 1.5
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0 to 0.7
0 to 1.1