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C86700 Bronze vs. C85800 Brass

Both C86700 bronze and C85800 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 94% 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 C86700 bronze and the bottom bar is C85800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 17
15
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 630
380
Tensile Strength: Yield (Proof), MPa 250
210

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 130
120
Melting Completion (Liquidus), °C 880
900
Melting Onset (Solidus), °C 860
870
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 89
84
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
20
Electrical Conductivity: Equal Weight (Specific), % IACS 19
22

Otherwise Unclassified Properties

Base Metal Price, % relative 23
24
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 2.9
2.8
Embodied Energy, MJ/kg 49
47
Embodied Water, L/kg 340
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
48
Resilience: Unit (Modulus of Resilience), kJ/m3 290
210
Stiffness to Weight: Axial, points 7.5
7.2
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 22
13
Strength to Weight: Bending, points 21
15
Thermal Diffusivity, mm2/s 28
27
Thermal Shock Resistance, points 21
13

Alloy Composition

Aluminum (Al), % 1.0 to 3.0
0 to 0.55
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 55 to 60
57 to 69
Iron (Fe), % 1.0 to 3.0
0 to 0.5
Lead (Pb), % 0.5 to 1.5
0 to 1.5
Manganese (Mn), % 1.0 to 3.5
0 to 0.25
Nickel (Ni), % 0 to 1.0
0 to 0.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.25
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 1.5
0 to 1.5
Zinc (Zn), % 30 to 38
31 to 41
Residuals, % 0
0 to 1.3