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CC333G Bronze vs. CC381H Copper-nickel

Both CC333G bronze and CC381H copper-nickel are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 74% of their average alloy composition in common.

For each property being compared, the top bar is CC333G bronze and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
91
Elastic (Young's, Tensile) Modulus, GPa 120
140
Elongation at Break, % 13
20
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 45
52
Tensile Strength: Ultimate (UTS), MPa 710
380
Tensile Strength: Yield (Proof), MPa 310
140

Thermal Properties

Latent Heat of Fusion, J/g 230
240
Maximum Temperature: Mechanical, °C 230
260
Melting Completion (Liquidus), °C 1080
1180
Melting Onset (Solidus), °C 1020
1120
Specific Heat Capacity, J/kg-K 440
410
Thermal Conductivity, W/m-K 38
30
Thermal Expansion, µm/m-K 18
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 29
40
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 3.5
5.0
Embodied Energy, MJ/kg 56
73
Embodied Water, L/kg 380
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75
60
Resilience: Unit (Modulus of Resilience), kJ/m3 410
68
Stiffness to Weight: Axial, points 8.0
8.6
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 24
12
Strength to Weight: Bending, points 21
13
Thermal Diffusivity, mm2/s 10
8.4
Thermal Shock Resistance, points 24
13

Alloy Composition

Aluminum (Al), % 8.5 to 10.5
0 to 0.010
Bismuth (Bi), % 0 to 0.010
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.050
0
Copper (Cu), % 76 to 83
64.5 to 69.9
Iron (Fe), % 3.0 to 5.5
0.5 to 1.5
Lead (Pb), % 0 to 0.030
0 to 0.030
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 3.0
0.6 to 1.2
Nickel (Ni), % 3.7 to 6.0
29 to 31
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.1
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.5
0 to 0.5