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CC493K Bronze vs. C94400 Bronze

Both CC493K bronze and C94400 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is CC493K bronze and the bottom bar is C94400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 74
55
Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 14
18
Poisson's Ratio 0.34
0.35
Shear Modulus, GPa 39
37
Tensile Strength: Ultimate (UTS), MPa 270
220
Tensile Strength: Yield (Proof), MPa 140
110

Thermal Properties

Latent Heat of Fusion, J/g 180
180
Maximum Temperature: Mechanical, °C 160
150
Melting Completion (Liquidus), °C 960
940
Melting Onset (Solidus), °C 880
790
Specific Heat Capacity, J/kg-K 360
350
Thermal Conductivity, W/m-K 61
52
Thermal Expansion, µm/m-K 19
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
10
Electrical Conductivity: Equal Weight (Specific), % IACS 12
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 32
32
Density, g/cm3 8.9
9.1
Embodied Carbon, kg CO2/kg material 3.3
3.4
Embodied Energy, MJ/kg 53
54
Embodied Water, L/kg 370
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
33
Resilience: Unit (Modulus of Resilience), kJ/m3 89
60
Stiffness to Weight: Axial, points 6.5
6.1
Stiffness to Weight: Bending, points 18
17
Strength to Weight: Axial, points 8.6
6.8
Strength to Weight: Bending, points 11
9.0
Thermal Diffusivity, mm2/s 19
17
Thermal Shock Resistance, points 10
8.3

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.0050
Antimony (Sb), % 0 to 0.3
0 to 0.8
Copper (Cu), % 79 to 86
76.1 to 84
Iron (Fe), % 0 to 0.2
0 to 0.15
Lead (Pb), % 5.0 to 8.0
9.0 to 12
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), % 5.2 to 8.0
7.0 to 9.0
Zinc (Zn), % 2.0 to 5.0
0 to 0.8