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CC484K Bronze vs. C91700 Bronze

Both CC484K bronze and C91700 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. Their average alloy composition is basically identical.

For each property being compared, the top bar is CC484K bronze and the bottom bar is C91700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
90
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 11
13
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 41
41
Tensile Strength: Ultimate (UTS), MPa 330
330
Tensile Strength: Yield (Proof), MPa 200
170

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 1000
1020
Melting Onset (Solidus), °C 870
850
Specific Heat Capacity, J/kg-K 370
370
Thermal Conductivity, W/m-K 70
71
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.1
10
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
10

Otherwise Unclassified Properties

Base Metal Price, % relative 37
36
Density, g/cm3 8.7
8.7
Embodied Carbon, kg CO2/kg material 3.9
3.9
Embodied Energy, MJ/kg 64
63
Embodied Water, L/kg 400
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 32
35
Resilience: Unit (Modulus of Resilience), kJ/m3 180
140
Stiffness to Weight: Axial, points 6.9
6.9
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 10
11
Strength to Weight: Bending, points 12
12
Thermal Diffusivity, mm2/s 22
22
Thermal Shock Resistance, points 12
12

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.0050
Antimony (Sb), % 0 to 0.1
0 to 0.2
Copper (Cu), % 84.5 to 87.5
84.2 to 87.5
Iron (Fe), % 0 to 0.2
0 to 0.2
Lead (Pb), % 0 to 0.3
0 to 0.25
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 1.5 to 2.5
1.2 to 2.0
Phosphorus (P), % 0.050 to 0.4
0 to 0.3
Silicon (Si), % 0 to 0.010
0 to 0.0050
Sulfur (S), % 0 to 0.050
0 to 0.050
Tin (Sn), % 11 to 13
11.3 to 12.5
Zinc (Zn), % 0 to 0.4
0 to 0.25