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CC332G Bronze vs. CC381H Copper-nickel

Both CC332G bronze and CC381H copper-nickel are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 72% of their average alloy composition in common.

For each property being compared, the top bar is CC332G bronze and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
91
Elastic (Young's, Tensile) Modulus, GPa 120
140
Elongation at Break, % 22
20
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
52
Tensile Strength: Ultimate (UTS), MPa 620
380
Tensile Strength: Yield (Proof), MPa 250
140

Thermal Properties

Latent Heat of Fusion, J/g 230
240
Maximum Temperature: Mechanical, °C 220
260
Melting Completion (Liquidus), °C 1060
1180
Melting Onset (Solidus), °C 1010
1120
Specific Heat Capacity, J/kg-K 440
410
Thermal Conductivity, W/m-K 45
30
Thermal Expansion, µm/m-K 18
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 12
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 29
40
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 3.4
5.0
Embodied Energy, MJ/kg 55
73
Embodied Water, L/kg 390
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
60
Resilience: Unit (Modulus of Resilience), kJ/m3 270
68
Stiffness to Weight: Axial, points 7.7
8.6
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 21
12
Strength to Weight: Bending, points 19
13
Thermal Diffusivity, mm2/s 12
8.4
Thermal Shock Resistance, points 21
13

Alloy Composition

Aluminum (Al), % 8.5 to 10.5
0 to 0.010
Carbon (C), % 0
0 to 0.030
Copper (Cu), % 80 to 86
64.5 to 69.9
Iron (Fe), % 1.0 to 3.0
0.5 to 1.5
Lead (Pb), % 0 to 0.1
0 to 0.030
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 2.0
0.6 to 1.2
Nickel (Ni), % 1.5 to 4.0
29 to 31
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.2
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.5
0 to 0.5