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CC495K Bronze vs. C94500 Bronze

Both CC495K bronze and C94500 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 90% of their average alloy composition in common.

For each property being compared, the top bar is CC495K bronze and the bottom bar is C94500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 76
50
Elastic (Young's, Tensile) Modulus, GPa 100
92
Elongation at Break, % 7.0
12
Poisson's Ratio 0.35
0.36
Shear Modulus, GPa 37
34
Tensile Strength: Ultimate (UTS), MPa 240
170
Tensile Strength: Yield (Proof), MPa 120
83

Thermal Properties

Latent Heat of Fusion, J/g 180
160
Maximum Temperature: Mechanical, °C 140
130
Melting Completion (Liquidus), °C 930
940
Melting Onset (Solidus), °C 820
800
Specific Heat Capacity, J/kg-K 350
330
Thermal Conductivity, W/m-K 48
52
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
10
Electrical Conductivity: Equal Weight (Specific), % IACS 10
9.7

Otherwise Unclassified Properties

Base Metal Price, % relative 33
30
Density, g/cm3 9.0
9.3
Embodied Carbon, kg CO2/kg material 3.6
3.2
Embodied Energy, MJ/kg 58
51
Embodied Water, L/kg 400
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
17
Resilience: Unit (Modulus of Resilience), kJ/m3 68
37
Stiffness to Weight: Axial, points 6.2
5.5
Stiffness to Weight: Bending, points 17
16
Strength to Weight: Axial, points 7.3
5.2
Strength to Weight: Bending, points 9.4
7.4
Thermal Diffusivity, mm2/s 15
17
Thermal Shock Resistance, points 8.8
6.7

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.0050
Antimony (Sb), % 0 to 0.5
0 to 0.8
Copper (Cu), % 76 to 82
66.7 to 78
Iron (Fe), % 0 to 0.25
0 to 0.15
Lead (Pb), % 8.0 to 11
16 to 22
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 0 to 2.0
0 to 1.0
Phosphorus (P), % 0 to 0.1
0 to 0.050
Silicon (Si), % 0 to 0.010
0 to 0.0050
Sulfur (S), % 0 to 0.1
0 to 0.080
Tin (Sn), % 9.0 to 11
6.0 to 8.0
Zinc (Zn), % 0 to 2.0
0 to 1.2