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C95820 Bronze vs. C87900 Brass

Both C95820 bronze and C87900 brass 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 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C95820 bronze and the bottom bar is C87900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
25
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
41
Tensile Strength: Ultimate (UTS), MPa 730
480
Tensile Strength: Yield (Proof), MPa 310
240

Thermal Properties

Latent Heat of Fusion, J/g 230
190
Maximum Temperature: Mechanical, °C 230
130
Melting Completion (Liquidus), °C 1080
930
Melting Onset (Solidus), °C 1020
900
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 38
120
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
15
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
17

Otherwise Unclassified Properties

Base Metal Price, % relative 29
24
Density, g/cm3 8.3
8.1
Embodied Carbon, kg CO2/kg material 3.5
2.7
Embodied Energy, MJ/kg 56
46
Embodied Water, L/kg 380
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
100
Resilience: Unit (Modulus of Resilience), kJ/m3 400
270
Stiffness to Weight: Axial, points 8.0
7.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 24
17
Strength to Weight: Bending, points 22
17
Thermal Diffusivity, mm2/s 11
37
Thermal Shock Resistance, points 25
16

Alloy Composition

Aluminum (Al), % 9.0 to 10
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 77.5 to 82.5
63 to 69.2
Iron (Fe), % 4.0 to 5.0
0 to 0.4
Lead (Pb), % 0 to 0.020
0 to 0.25
Manganese (Mn), % 0 to 1.5
0 to 0.15
Nickel (Ni), % 4.5 to 5.8
0 to 0.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.1
0.8 to 1.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.020
0 to 0.25
Zinc (Zn), % 0 to 0.2
30 to 36
Residuals, % 0 to 0.8
0