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C85400 Brass vs. CC483K Bronze

Both C85400 brass and CC483K bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 70% of their average alloy composition in common.

For each property being compared, the top bar is C85400 brass and the bottom bar is CC483K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
97
Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 23
6.4
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 220
310
Tensile Strength: Yield (Proof), MPa 85
170

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 940
990
Melting Onset (Solidus), °C 940
870
Specific Heat Capacity, J/kg-K 380
370
Thermal Conductivity, W/m-K 89
68
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
10
Electrical Conductivity: Equal Weight (Specific), % IACS 22
10

Otherwise Unclassified Properties

Base Metal Price, % relative 25
36
Density, g/cm3 8.3
8.7
Embodied Carbon, kg CO2/kg material 2.8
3.8
Embodied Energy, MJ/kg 46
62
Embodied Water, L/kg 330
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
17
Resilience: Unit (Modulus of Resilience), kJ/m3 35
130
Stiffness to Weight: Axial, points 7.0
6.9
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 7.5
9.9
Strength to Weight: Bending, points 9.9
12
Thermal Diffusivity, mm2/s 28
21
Thermal Shock Resistance, points 7.6
11

Alloy Composition

Aluminum (Al), % 0 to 0.35
0 to 0.010
Antimony (Sb), % 0
0 to 0.15
Copper (Cu), % 65 to 70
85 to 89
Iron (Fe), % 0 to 0.7
0 to 0.2
Lead (Pb), % 1.5 to 3.8
0 to 0.7
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0 to 1.0
0 to 2.0
Phosphorus (P), % 0
0 to 0.6
Silicon (Si), % 0 to 0.050
0 to 0.010
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0.5 to 1.5
10.5 to 13
Zinc (Zn), % 24 to 32
0 to 0.5
Residuals, % 0 to 1.1
0