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C84800 Brass vs. C86200 Bronze

Both C84800 brass and C86200 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 79% of their average alloy composition in common.

For each property being compared, the top bar is C84800 brass and the bottom bar is C86200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 18
21
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 39
42
Tensile Strength: Ultimate (UTS), MPa 230
710
Tensile Strength: Yield (Proof), MPa 100
350

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 150
160
Melting Completion (Liquidus), °C 950
940
Melting Onset (Solidus), °C 830
900
Specific Heat Capacity, J/kg-K 370
410
Thermal Conductivity, W/m-K 72
35
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 17
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 27
23
Density, g/cm3 8.6
8.0
Embodied Carbon, kg CO2/kg material 2.8
2.9
Embodied Energy, MJ/kg 46
49
Embodied Water, L/kg 340
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
120
Resilience: Unit (Modulus of Resilience), kJ/m3 53
540
Stiffness to Weight: Axial, points 6.6
7.8
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 7.3
25
Strength to Weight: Bending, points 9.6
22
Thermal Diffusivity, mm2/s 23
11
Thermal Shock Resistance, points 8.2
23

Alloy Composition

Aluminum (Al), % 0 to 0.0050
3.0 to 4.9
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 75 to 77
60 to 66
Iron (Fe), % 0 to 0.4
2.0 to 4.0
Lead (Pb), % 5.5 to 7.0
0 to 0.2
Manganese (Mn), % 0
2.5 to 5.0
Nickel (Ni), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 2.0 to 3.0
0 to 0.2
Zinc (Zn), % 13 to 17
22 to 28
Residuals, % 0
0 to 1.0