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C86200 Bronze vs. C85200 Brass

Both C86200 bronze and C85200 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.

For each property being compared, the top bar is C86200 bronze and the bottom bar is C85200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 21
28
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 710
270
Tensile Strength: Yield (Proof), MPa 350
95

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 160
140
Melting Completion (Liquidus), °C 940
940
Melting Onset (Solidus), °C 900
930
Specific Heat Capacity, J/kg-K 410
380
Thermal Conductivity, W/m-K 35
84
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
18
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
19

Otherwise Unclassified Properties

Base Metal Price, % relative 23
26
Density, g/cm3 8.0
8.4
Embodied Carbon, kg CO2/kg material 2.9
2.8
Embodied Energy, MJ/kg 49
46
Embodied Water, L/kg 340
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
59
Resilience: Unit (Modulus of Resilience), kJ/m3 540
42
Stiffness to Weight: Axial, points 7.8
7.0
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 25
8.9
Strength to Weight: Bending, points 22
11
Thermal Diffusivity, mm2/s 11
27
Thermal Shock Resistance, points 23
9.3

Alloy Composition

Aluminum (Al), % 3.0 to 4.9
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 60 to 66
70 to 74
Iron (Fe), % 2.0 to 4.0
0 to 0.6
Lead (Pb), % 0 to 0.2
1.5 to 3.8
Manganese (Mn), % 2.5 to 5.0
0
Nickel (Ni), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.2
0.7 to 2.0
Zinc (Zn), % 22 to 28
20 to 27
Residuals, % 0
0 to 0.9