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CC491K Bronze vs. C91600 Bronze

Both CC491K bronze and C91600 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is CC491K bronze and the bottom bar is C91600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
84
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 13
11
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 260
310
Tensile Strength: Yield (Proof), MPa 120
160

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 980
1030
Melting Onset (Solidus), °C 900
860
Specific Heat Capacity, J/kg-K 370
370
Thermal Conductivity, W/m-K 71
71
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
10
Electrical Conductivity: Equal Weight (Specific), % IACS 15
10

Otherwise Unclassified Properties

Base Metal Price, % relative 31
36
Density, g/cm3 8.9
8.8
Embodied Carbon, kg CO2/kg material 3.1
3.7
Embodied Energy, MJ/kg 51
61
Embodied Water, L/kg 350
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
30
Resilience: Unit (Modulus of Resilience), kJ/m3 67
120
Stiffness to Weight: Axial, points 6.7
7.0
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 8.1
9.9
Strength to Weight: Bending, points 10
12
Thermal Diffusivity, mm2/s 22
22
Thermal Shock Resistance, points 9.3
11

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.0050
Antimony (Sb), % 0 to 0.25
0 to 0.2
Copper (Cu), % 81 to 87
85.9 to 89.1
Iron (Fe), % 0 to 0.3
0 to 0.2
Lead (Pb), % 4.0 to 6.0
0 to 0.25
Nickel (Ni), % 0 to 2.0
1.2 to 2.0
Phosphorus (P), % 0 to 0.1
0 to 0.3
Silicon (Si), % 0 to 0.010
0 to 0.0050
Sulfur (S), % 0 to 0.1
0 to 0.050
Tin (Sn), % 4.0 to 6.0
9.7 to 10.8
Zinc (Zn), % 4.0 to 6.0
0 to 0.25