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C87900 Brass vs. C94100 Bronze

Both C87900 brass and C94100 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 67% 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 C87900 brass and the bottom bar is C94100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
92
Elongation at Break, % 25
7.8
Poisson's Ratio 0.31
0.36
Shear Modulus, GPa 41
34
Tensile Strength: Ultimate (UTS), MPa 480
190
Tensile Strength: Yield (Proof), MPa 240
130

Thermal Properties

Latent Heat of Fusion, J/g 190
160
Maximum Temperature: Mechanical, °C 130
130
Melting Completion (Liquidus), °C 930
870
Melting Onset (Solidus), °C 900
790
Specific Heat Capacity, J/kg-K 390
330
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 17
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 24
29
Density, g/cm3 8.1
9.2
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 46
48
Embodied Water, L/kg 320
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
14
Resilience: Unit (Modulus of Resilience), kJ/m3 270
97
Stiffness to Weight: Axial, points 7.3
5.5
Stiffness to Weight: Bending, points 20
16
Strength to Weight: Axial, points 17
5.8
Strength to Weight: Bending, points 17
8.1
Thermal Shock Resistance, points 16
7.6

Alloy Composition

Aluminum (Al), % 0 to 0.15
0 to 0.0050
Antimony (Sb), % 0 to 0.050
0 to 0.8
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 63 to 69.2
72 to 79
Iron (Fe), % 0 to 0.4
0 to 0.25
Lead (Pb), % 0 to 0.25
18 to 22
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.5
0 to 1.0
Phosphorus (P), % 0 to 0.010
0 to 1.5
Silicon (Si), % 0.8 to 1.2
0 to 0.0050
Sulfur (S), % 0 to 0.050
0 to 0.080
Tin (Sn), % 0 to 0.25
4.5 to 6.5
Zinc (Zn), % 30 to 36
0 to 1.0
Residuals, % 0
0 to 1.3