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C86100 Bronze vs. C87900 Brass

Both C86100 bronze and C87900 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 88% 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 C86100 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, % 20
25
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 43
41
Tensile Strength: Ultimate (UTS), MPa 660
480
Tensile Strength: Yield (Proof), MPa 350
240

Thermal Properties

Latent Heat of Fusion, J/g 200
190
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 940
930
Melting Onset (Solidus), °C 900
900
Specific Heat Capacity, J/kg-K 420
390
Thermal Conductivity, W/m-K 35
120
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
15
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
17

Otherwise Unclassified Properties

Base Metal Price, % relative 24
24
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 49
46
Embodied Water, L/kg 350
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
100
Resilience: Unit (Modulus of Resilience), kJ/m3 530
270
Stiffness to Weight: Axial, points 7.8
7.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 23
17
Strength to Weight: Bending, points 21
17
Thermal Diffusivity, mm2/s 10
37
Thermal Shock Resistance, points 21
16

Alloy Composition

Aluminum (Al), % 4.5 to 5.5
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 66 to 68
63 to 69.2
Iron (Fe), % 2.0 to 4.0
0 to 0.4
Lead (Pb), % 0 to 0.1
0 to 0.25
Manganese (Mn), % 2.5 to 5.0
0 to 0.15
Nickel (Ni), % 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 0.1
0 to 0.25
Zinc (Zn), % 17.3 to 25
30 to 36