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C95200 Bronze vs. C87800 Brass

Both C95200 bronze and C87800 brass 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 (2, in this case) are not shown.

For each property being compared, the top bar is C95200 bronze and the bottom bar is C87800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 29
25
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 520
590
Tensile Strength: Yield (Proof), MPa 190
350

Thermal Properties

Latent Heat of Fusion, J/g 230
260
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 1050
920
Melting Onset (Solidus), °C 1040
820
Specific Heat Capacity, J/kg-K 430
410
Thermal Conductivity, W/m-K 50
28
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 12
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 28
27
Density, g/cm3 8.3
8.3
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 50
44
Embodied Water, L/kg 380
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
130
Resilience: Unit (Modulus of Resilience), kJ/m3 170
540
Stiffness to Weight: Axial, points 7.6
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 17
20
Strength to Weight: Bending, points 17
19
Thermal Diffusivity, mm2/s 14
8.3
Thermal Shock Resistance, points 19
21

Alloy Composition

Aluminum (Al), % 8.5 to 9.5
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 86 to 89
80 to 84.2
Iron (Fe), % 2.5 to 4.0
0 to 0.15
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0
0 to 0.2
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
3.8 to 4.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.5