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CC494K Bronze vs. CC383H Copper-nickel

Both CC494K bronze and CC383H copper-nickel are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 68% of their average alloy composition in common.

For each property being compared, the top bar is CC494K bronze and the bottom bar is CC383H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 67
130
Elastic (Young's, Tensile) Modulus, GPa 100
140
Elongation at Break, % 7.6
20
Poisson's Ratio 0.35
0.33
Shear Modulus, GPa 39
52
Tensile Strength: Ultimate (UTS), MPa 210
490
Tensile Strength: Yield (Proof), MPa 94
260

Thermal Properties

Latent Heat of Fusion, J/g 180
240
Maximum Temperature: Mechanical, °C 160
260
Melting Completion (Liquidus), °C 970
1180
Melting Onset (Solidus), °C 890
1130
Specific Heat Capacity, J/kg-K 360
410
Thermal Conductivity, W/m-K 63
29
Thermal Expansion, µm/m-K 19
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
5.2
Electrical Conductivity: Equal Weight (Specific), % IACS 16
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
44
Density, g/cm3 9.1
8.9
Embodied Carbon, kg CO2/kg material 3.1
5.7
Embodied Energy, MJ/kg 50
83
Embodied Water, L/kg 360
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
84
Resilience: Unit (Modulus of Resilience), kJ/m3 43
250
Stiffness to Weight: Axial, points 6.4
8.6
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 6.5
15
Strength to Weight: Bending, points 8.8
16
Thermal Diffusivity, mm2/s 19
8.1
Thermal Shock Resistance, points 7.8
17

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.010
Antimony (Sb), % 0 to 0.5
0
Bismuth (Bi), % 0
0 to 0.010
Boron (B), % 0
0 to 0.010
Cadmium (Cd), % 0
0 to 0.020
Carbon (C), % 0
0 to 0.030
Copper (Cu), % 78 to 87
64 to 69.1
Iron (Fe), % 0 to 0.25
0.5 to 1.5
Lead (Pb), % 8.0 to 10
0 to 0.010
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 0 to 0.2
0.6 to 1.2
Nickel (Ni), % 0 to 2.0
29 to 31
Niobium (Nb), % 0
0.5 to 1.0
Phosphorus (P), % 0 to 0.1
0 to 0.010
Selenium (Se), % 0
0 to 0.010
Silicon (Si), % 0 to 0.010
0.3 to 0.7
Sulfur (S), % 0 to 0.1
0 to 0.010
Tellurium (Te), % 0
0 to 0.010
Tin (Sn), % 4.0 to 6.0
0
Zinc (Zn), % 0 to 2.0
0 to 0.5