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CC499K Bronze vs. C92900 Bronze

Both CC499K bronze and C92900 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 CC499K bronze and the bottom bar is C92900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
84
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 13
9.1
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 260
350
Tensile Strength: Yield (Proof), MPa 120
190

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 1000
1030
Melting Onset (Solidus), °C 920
860
Specific Heat Capacity, J/kg-K 370
370
Thermal Conductivity, W/m-K 73
58
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 12
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 32
35
Density, g/cm3 8.8
8.8
Embodied Carbon, kg CO2/kg material 3.1
3.8
Embodied Energy, MJ/kg 51
61
Embodied Water, L/kg 350
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
27
Resilience: Unit (Modulus of Resilience), kJ/m3 65
170
Stiffness to Weight: Axial, points 6.9
6.8
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 8.1
11
Strength to Weight: Bending, points 10
13
Thermal Diffusivity, mm2/s 22
18
Thermal Shock Resistance, points 9.2
13

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.0050
Antimony (Sb), % 0 to 0.1
0 to 0.25
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.020
0
Cadmium (Cd), % 0 to 0.020
0
Chromium (Cr), % 0 to 0.020
0
Copper (Cu), % 84 to 88
82 to 86
Iron (Fe), % 0 to 0.3
0 to 0.2
Lead (Pb), % 0 to 3.0
2.0 to 3.2
Nickel (Ni), % 0 to 0.6
2.8 to 4.0
Phosphorus (P), % 0 to 0.040
0 to 1.5
Silicon (Si), % 0 to 0.010
0 to 0.0050
Sulfur (S), % 0 to 0.040
0 to 0.050
Tin (Sn), % 4.0 to 6.0
9.0 to 11
Zinc (Zn), % 4.0 to 6.0
0 to 0.25
Residuals, % 0
0 to 0.7