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C86800 Bronze vs. C87900 Brass

Both C86800 bronze and C87900 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 89% 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 C87900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 22
25
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 570
480
Tensile Strength: Yield (Proof), MPa 260
240

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 140
130
Melting Completion (Liquidus), °C 900
930
Melting Onset (Solidus), °C 880
900
Specific Heat Capacity, J/kg-K 400
390
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
15
Electrical Conductivity: Equal Weight (Specific), % IACS 10
17

Otherwise Unclassified Properties

Base Metal Price, % relative 24
24
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 51
46
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
100
Resilience: Unit (Modulus of Resilience), kJ/m3 310
270
Stiffness to Weight: Axial, points 7.7
7.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 20
17
Strength to Weight: Bending, points 19
17
Thermal Shock Resistance, points 18
16

Alloy Composition

Aluminum (Al), % 0 to 2.0
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 53.5 to 57
63 to 69.2
Iron (Fe), % 1.0 to 2.5
0 to 0.4
Lead (Pb), % 0 to 0.2
0 to 0.25
Manganese (Mn), % 2.5 to 4.0
0 to 0.15
Nickel (Ni), % 2.5 to 4.0
0 to 0.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0.8 to 1.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 1.0
0 to 0.25
Zinc (Zn), % 28.3 to 40.5
30 to 36
Residuals, % 0 to 1.0
0