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C93700 Bronze vs. C87800 Brass

Both C93700 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 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C93700 bronze and the bottom bar is C87800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 99
110
Elongation at Break, % 20
25
Poisson's Ratio 0.35
0.33
Rockwell B Hardness 60
86
Shear Modulus, GPa 37
42
Tensile Strength: Ultimate (UTS), MPa 240
590
Tensile Strength: Yield (Proof), MPa 130
350

Thermal Properties

Latent Heat of Fusion, J/g 170
260
Maximum Temperature: Mechanical, °C 140
170
Melting Completion (Liquidus), °C 930
920
Melting Onset (Solidus), °C 760
820
Specific Heat Capacity, J/kg-K 350
410
Thermal Conductivity, W/m-K 47
28
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 10
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 33
27
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 3.5
2.7
Embodied Energy, MJ/kg 57
44
Embodied Water, L/kg 390
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
130
Resilience: Unit (Modulus of Resilience), kJ/m3 79
540
Stiffness to Weight: Axial, points 6.2
7.4
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 7.5
20
Strength to Weight: Bending, points 9.6
19
Thermal Diffusivity, mm2/s 15
8.3
Thermal Shock Resistance, points 9.4
21

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.15
Antimony (Sb), % 0 to 0.5
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 78 to 82
80 to 84.2
Iron (Fe), % 0 to 0.15
0 to 0.15
Lead (Pb), % 8.0 to 11
0 to 0.15
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0 to 1.0
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 0.080
0 to 0.050
Tin (Sn), % 9.0 to 11
0 to 0.25
Zinc (Zn), % 0 to 0.8
12 to 16
Residuals, % 0
0 to 0.5