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C92800 Bronze vs. C87800 Brass

Both C92800 bronze and C87800 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 81% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C92800 bronze and the bottom bar is C87800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 1.0
25
Poisson's Ratio 0.35
0.33
Rockwell B Hardness 80
86
Shear Modulus, GPa 37
42
Tensile Strength: Ultimate (UTS), MPa 280
590
Tensile Strength: Yield (Proof), MPa 210
350

Thermal Properties

Latent Heat of Fusion, J/g 170
260
Maximum Temperature: Mechanical, °C 140
170
Melting Completion (Liquidus), °C 960
920
Melting Onset (Solidus), °C 820
820
Specific Heat Capacity, J/kg-K 350
410
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 36
27
Density, g/cm3 8.7
8.3
Embodied Carbon, kg CO2/kg material 4.1
2.7
Embodied Energy, MJ/kg 67
44
Embodied Water, L/kg 430
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.5
130
Resilience: Unit (Modulus of Resilience), kJ/m3 210
540
Stiffness to Weight: Axial, points 6.4
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.8
20
Strength to Weight: Bending, points 11
19
Thermal Shock Resistance, points 11
21

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.15
Antimony (Sb), % 0 to 0.25
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 78 to 82
80 to 84.2
Iron (Fe), % 0 to 0.2
0 to 0.15
Lead (Pb), % 4.0 to 6.0
0 to 0.15
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0 to 0.8
0 to 0.2
Phosphorus (P), % 0 to 1.5
0 to 0.010
Silicon (Si), % 0 to 0.0050
3.8 to 4.2
Sulfur (S), % 0 to 0.050
0 to 0.050
Tin (Sn), % 15 to 17
0 to 0.25
Zinc (Zn), % 0 to 0.8
12 to 16
Residuals, % 0
0 to 0.5