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C84500 Brass vs. C94100 Bronze

Both C84500 brass and C94100 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 87% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C84500 brass and the bottom bar is C94100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
92
Elongation at Break, % 28
7.8
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 39
34
Tensile Strength: Ultimate (UTS), MPa 240
190
Tensile Strength: Yield (Proof), MPa 97
130

Thermal Properties

Latent Heat of Fusion, J/g 180
160
Maximum Temperature: Mechanical, °C 150
130
Melting Completion (Liquidus), °C 980
870
Melting Onset (Solidus), °C 840
790
Specific Heat Capacity, J/kg-K 360
330
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 17
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 28
29
Density, g/cm3 8.7
9.2
Embodied Carbon, kg CO2/kg material 2.9
3.0
Embodied Energy, MJ/kg 47
48
Embodied Water, L/kg 340
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
14
Resilience: Unit (Modulus of Resilience), kJ/m3 45
97
Stiffness to Weight: Axial, points 6.6
5.5
Stiffness to Weight: Bending, points 18
16
Strength to Weight: Axial, points 7.7
5.8
Strength to Weight: Bending, points 9.8
8.1
Thermal Shock Resistance, points 8.6
7.6

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.25
0 to 0.8
Copper (Cu), % 77 to 79
72 to 79
Iron (Fe), % 0 to 0.4
0 to 0.25
Lead (Pb), % 6.0 to 7.5
18 to 22
Nickel (Ni), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0 to 0.020
0 to 1.5
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0 to 0.080
0 to 0.080
Tin (Sn), % 2.0 to 4.0
4.5 to 6.5
Zinc (Zn), % 10 to 14
0 to 1.0
Residuals, % 0
0 to 1.3