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C86800 Bronze vs. C85900 Brass

Both C86800 bronze and C85900 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 92% 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 C86800 bronze and the bottom bar is C85900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 22
30
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 570
460
Tensile Strength: Yield (Proof), MPa 260
190

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 140
130
Melting Completion (Liquidus), °C 900
830
Melting Onset (Solidus), °C 880
790
Specific Heat Capacity, J/kg-K 400
390
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
25
Electrical Conductivity: Equal Weight (Specific), % IACS 10
28

Otherwise Unclassified Properties

Base Metal Price, % relative 24
24
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 3.0
2.9
Embodied Energy, MJ/kg 51
49
Embodied Water, L/kg 320
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
110
Resilience: Unit (Modulus of Resilience), kJ/m3 310
170
Stiffness to Weight: Axial, points 7.7
7.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 20
16
Strength to Weight: Bending, points 19
17
Thermal Shock Resistance, points 18
16

Alloy Composition

Aluminum (Al), % 0 to 2.0
0.1 to 0.6
Antimony (Sb), % 0
0 to 0.2
Boron (B), % 0
0 to 0.2
Copper (Cu), % 53.5 to 57
58 to 62
Iron (Fe), % 1.0 to 2.5
0 to 0.5
Lead (Pb), % 0 to 0.2
0 to 0.090
Manganese (Mn), % 2.5 to 4.0
0 to 0.010
Nickel (Ni), % 2.5 to 4.0
0 to 1.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.25
Sulfur (S), % 0
0.1 to 0.65
Tin (Sn), % 0 to 1.0
0 to 1.5
Zinc (Zn), % 28.3 to 40.5
31 to 41
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.7